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Words Containing "Os"

Total 10867 words found containing Os

There are total 2 letters in Os, Starting with 'O' and ending with 'S'.

Os is a scrabble word? Yes (2 Points) Os has worth 2 Scrabble points.

Words Containing "OS" Analysis

Target Pattern: OS (2 letters) • Total Words Found: 10,867
Top Scrabble: 47 pts Top WWF: 53 pts

Interior Cluster Architecture & Vocabulary Reach for "OS"

Embedding the letter sequence OS reveals a diverse vocabulary spectrum of 10,867 words. Because this letter sequence can appear in prefix, root, or suffix positions, it spans versatile phonetic environments from 2-letter terms up to 25-letter full-board words. The standout play is CARBOXYMETHYLCELLULOSES with a top tournament value of 47 points. Understanding words with this interior pattern is a game-changer for speed solving and tile efficiency.

Highest-Scoring Word
Best Words With Friends
CARBOXYMETHYLCELLULOSES (53 pts)
Dictionary Validity
TWL (US) CSW (UK) WWF

Is "OS" a Valid Word?

Game / Dictionary Playable? Points Tile Score Breakdown
Scrabble® US / Canada (TWL / NWL) ✔ Valid 2 pts O1 + S1 = 2
Collins Scrabble Words (CSW / UK) ✔ Valid in CSW 2 pts O1 + S1 = 2
Words With Friends (WWF) ✔ Valid in WWF 2 pts O1 + S1 = 2

Comparative Lexical Coverage & Tile Valuation

Dictionary Standardization: Word validity varies across digital and tabletop platforms. Classical word lists like Collins (CSW) include extensive regional and Commonwealth spellings, whereas standard domestic lexicons adhere strictly to localized English roots.
Tile Economy & Weight: Each letter in "OS" carries an assigned point weight reflecting its natural frequency in the English language. Scoring 2 points in Scrabble versus 2 points in WWF reflects differing tile distributions between classical boards and modern mobile word games.
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25 Letter Words Containing Os | 1 Words

phosphatidylethanolamines 44

24 Letter Words Containing Os | 2 Words

microspectrophotometries 39 phosphatidylethanolamine 43

23 Letter Words Containing Os | 3 Words

carboxymethylcelluloses 47 microspectrophotometers 38 microspectrophotometric 40

22 Letter Words Containing Os | 4 Words

carboxymethylcellulose 46 microspectrophotometer 37 microspectrophotometry 40 phosphoglyceraldehydes 46

21 Letter Words Containing Os | 5 Words

adrenocorticosteroids 27 phosphoglyceraldehyde 45 photophosphorylations 39 pseudosophistications 31 stereomicroscopically 34

20 Letter Words Containing Os | 11 Words

adrenocorticosteroid 26 dimethylnitrosamines 31 lymphogranulomatoses 33 lymphogranulomatosis 33 phosphatidylcholines 39 phosphoenolpyruvates 38 phosphofructokinases 39 phosphomonoesterases 32 photophosphorylation 38 pseudosophistication 30 ultramicroscopically 33

19 Letter Words Containing Os | 16 Words

crosslinguistically 27 dimethylnitrosamine 30 introspectivenesses 26 neurofibromatosises 26 phosphatidylcholine 38 phosphoenolpyruvate 37 phosphofructokinase 38 phosphoglucomutases 34 phosphomonoesterase 31 photodecompositions 31 photosensitizations 33 postmillenarianisms 25 posttranscriptional 25 pseudosophisticated 30 radioallergosorbent 23 stereospecificities 28

18 Letter Words Containing Os | 38 Words

coccidioidomycoses 33 coccidioidomycosis 33 dephosphorylations 32 electrodepositions 23 glycosaminoglycans 32 homoscedasticities 28 hypermetamorphosis 35 hyposensitizations 35 immunosuppressants 26 immunosuppressions 26 indecomposableness 27 inhospitablenesses 25 introspectionistic 24 magnetostrictively 29 organophosphoruses 29 oscillographically 31 ostentatiousnesses 18 phosphodiesterases 29 phosphoglucomutase 33 photodecomposition 30 photosensitivities 26 photosensitization 32 photosynthetically 34 postmillenarianism 24 postmillennialisms 24 postmillennialists 22 postpsychoanalytic 35 preposterousnesses 22 pseudotuberculoses 25 pseudotuberculosis 25

17 Letter Words Containing Os | 59 Words

ariboflavinosises 25 arteriosclerotics 21 biostratigraphies 25 cyclophosphamides 37 decomposabilities 26 dephosphorylating 32 dephosphorylation 31 electrodepositing 23 electrodeposition 22 electrostatically 24 glossopharyngeals 27 glycosaminoglycan 31 hemochromatosises 29 heterosexualities 27 hydrofluosilicate 29 hyposensitization 34 idiosyncratically 28 immunosuppressant 25 immunosuppressing 26 immunosuppression 25 immunosuppressive 28 introspectionisms 23 introspectionists 21 introspectiveness 24 kaleidoscopically 31 magnetostrictions 22 microseismicities 25 microsporogeneses 24 microsporogenesis 24 monospecificities 28

16 Letter Words Containing Os | 117 Words

aluminosilicates 20 antiprostitution 18 antituberculosis 20 arterioscleroses 18 arteriosclerosis 18 arteriosclerotic 20 biostatisticians 20 biostratigraphic 26 biosynthetically 29 carcinomatosises 22 carcinosarcomata 24 cosmochemistries 27 cosmopolitanisms 24 counterproposals 22 crossopterygians 24 cyclophosphamide 36 dephosphorylated 31 dephosphorylates 30 electrodeposited 22 electrosurgeries 19 erythroblastoses 24 erythroblastosis 24 extrachromosomal 32 fluoroscopically 28 glossoepiglottic 22 glossopharyngeal 26 heterokaryosises 26 heterozygosities 32 histoplasmosises 23 homoscedasticity 29

15 Letter Words Containing Os | 347 Words

aerosolisations 15 aerosolizations 24 agranulocytoses 21 agranulocytosis 21 aluminosilicate 19 anamorphoscopes 26 ancylostomiases 22 ancylostomiasis 22 anfractuosities 20 angustirostrate 16 ankylostomiases 24 ankylostomiasis 24 anthroposophies 25 anthroposophist 25 antiforeclosure 20 ariboflavinoses 23 ariboflavinosis 23 atheroscleroses 20 atherosclerosis 20 atherosclerotic 22 atmospherically 27 autoschediastic 23 autoschediazing 31 autostabilities 17 autosuggestions 17 bacterioscopist 23 bioprospectings 24 biostatistician 19 biostratigraphy 26 biosystematists 22

14 Letter Words Containing Os | 581 Words

aerosolisation 14 aerosolization 23 aerostructures 16 aggiornamentos 18 agrostological 18 agrostologists 16 aldosteronisms 17 alloiostrophos 19 allosterically 19 amphiarthroses 24 amphiarthrosis 24 amphiprostylar 26 amphiprostyles 26 anamorphoscope 25 angiosarcomata 19 angiostomatous 17 anisostemonous 16 ankylosauruses 21 anthroposophic 26 anticorrosives 19 antihomosexual 26 aposematically 23 apostolicities 18 apostrophising 22 apostrophizing 31 appositenesses 18 asthenospheres 22 asthenospheric 24 autoschediasms 22 autoschediazed 30

13 Letter Words Containing Os | 793 Words

abdominoscopy 25 actinomycoses 22 actinomycosis 22 aecidiospores 18 aerosiderites 14 aerostructure 15 aethrioscopes 20 agamospermies 20 agrostologies 15 agrostologist 15 aldosteronism 16 altaltissimos 15 aluminosities 15 amphiprostyle 25 ampullosities 17 amyloidosises 19 androsphinges 20 androsphinxes 26 androsterones 14 anfractuosity 21 angiosarcomas 18 angiospermous 18 angosturabark 20 antepositions 15 anthroposophy 26 anticorrosion 15 anticorrosive 18 antineutrinos 13 apatosauruses 15 apostolically 20

12 Letter Words Containing Os | 1096 Words

accelerandos 17 acolouthoses 17 acrocyanoses 19 acrocyanosis 19 acrostically 19 adosculation 15 aecidiospore 17 aecidospores 17 aeroneuroses 12 aeroneurosis 12 aerosiderite 13 aerosolising 13 aerosolizing 22 aerostatical 14 aerostations 12 aethrioscope 19 afficionados 21 agnosticisms 17 agrostemmata 17 akolouthoses 19 aldopentoses 15 aldosterones 13 allosauruses 12 amontillados 15 anaerobioses 14 anaerobiosis 14 anamorphoses 19 anamorphosis 19 anaplasmoses 16 anaplasmosis 16

11 Letter Words Containing Os | 1278 Words

aconddylose 18 acrosporous 15 actinostome 15 actomyosins 18 adelantados 13 adiposities 14 aecidospore 16 aeciospores 15 aerosolised 12 aerosolises 11 aerosolized 21 aerosolizes 20 aerospheres 16 aerostatics 13 aerostation 11 affettuosos 17 aficionados 17 afrormosias 16 agamospermy 21 agnosticism 16 agranuloses 12 agranulosis 12 agrostemmas 16 agrostology 16 akoluthoses 18 albatrosses 13 aldohexoses 22 aldopentose 14 aldosterone 12 allegrettos 12

10 Letter Words Containing Os | 1464 Words

accostable 16 acolouthos 15 acrospires 14 acrostical 14 actinosome 14 actomyosin 17 adenosines 11 aeciospore 14 aerobioses 12 aerobiosis 12 aeroscopes 14 aeroshells 13 aerosolise 10 aerosolize 19 aerospaces 14 aerosphere 15 aerostatic 12 affettuoso 16 afrormosia 15 agrostemma 15 akolouthos 17 albarellos 12 aldohexose 21 algarrobos 13 allosaurus 10 allosteric 12 alphosises 15 altiplanos 12 altostrati 10 ambosexual 21

9 Letter Words Containing Os | 1553 Words

abelmosks 17 acarboses 13 accosting 14 acetosity 14 acosmisms 15 acosmists 13 acrosomal 13 acrosomes 13 acrospire 13 acrospore 13 acrostics 13 actuosity 14 acuminose 13 adenosine 10 adiposity 15 aerognosy 13 aeroscope 13 aeroscopy 16 aeroshell 12 aerospace 13 aerostats 9 aftermost 14 aglossate 10 aglossias 10 agnostics 12 akoluthos 16 alalagmos 12 albatross 11 albumoses 13 alkaloses 13

8 Letter Words Containing Os | 1302 Words

abelmosk 16 abrosias 10 acarbose 12 acaulose 10 accosted 13 acervose 13 acidoses 11 acidosis 11 acosmism 14 acosmist 12 acrosome 12 acrostic 12 actinost 10 adenoses 9 adenosis 9 adiposes 11 adiposis 11 aerosats 8 aerosols 8 aerostat 8 agaroses 9 aggerose 10 aglossal 9 aglossia 9 agnosias 9 agnostic 11 ailantos 8 airposts 10 albumose 12 alecosts 10

7 Letter Words Containing Os | 983 Words

abioses 9 abiosis 9 abrazos 18 abrosia 9 accosts 11 acerose 9 acetose 9 acinose 9 actuose 9 adagios 9 adipose 10 adjigos 16 aerosat 7 aerosol 7 aerugos 8 aftmost 12 aftosas 10 agarose 8 agnosia 8 agnosic 10 aikidos 12 airpost 9 albedos 10 albinos 9 albugos 10 aldoses 8 alecost 9 alnicos 9 amorosa 9 amoroso 9

6 Letter Words Containing Os | 765 Words

abmhos 13 accost 10 across 8 addios 8 adobos 9 aerose 6 aftosa 9 aggros 8 agloos 7 alamos 8 aldose 7 aliyos 9 almost 8 amigos 9 amnios 8 anchos 11 andros 7 anglos 7 appose 10 appros 10 arccos 10 argosy 10 ariose 6 ariosi 6 arioso 6 arkose 10 aslosh 9 aspros 8 audios 7 avisos 9

5 Letter Words Containing Os | 326 Words

adios 6 aeros 5 afros 8 agios 6 aidos 6 alcos 7 alkos 9 altos 5 ambos 9 ammos 9 apsos 7 arose 5 arvos 8 askos 9 aulos 5 autos 5 bigos 8 biros 7 bitos 7 bohos 10 bokos 11 bolos 7 boose 7 boost 7 bosks 11 bosky 14 bosom 9 boson 7 bossy 10 bosun 7

4 Letter Words Containing Os | 102 Words

abos 6 ados 5 apos 6 avos 7 bios 6 boos 6 bosa 6 bosh 9 bosk 10 boss 6 bros 6 coos 6 cose 6 cosh 9 coss 6 cost 6 cosy 9 doos 5 dose 5 dosh 8 doss 5 dost 5 dsos 5 duos 5 dzos 14 ecos 6 egos 5 emos 6 epos 6 eros 4

3 Letter Words Containing Os | 20 Words

bos 5 cos 5 dos 4 eos 3 gos 4 hos 6 ios 3 kos 7 los 3 mos 5 nos 3 oos 3 ose 3 oss 3 ost 3 pos 5 sos 3 wos 6 yos 6 zos 12

2 Letter Words Containing Os | 1 Words

os 2

Top 10 Highest-Scoring Words Containing "OS"

Sorted by tournament point value

Letter Efficiency & Word-Yield Distribution

The highest-scoring word you can make containing OS is CARBOXYMETHYLCELLULOSES, which earns 47 points in Scrabble and 53 points in Words With Friends. As a 23-letter formation, it uses a large share of your available tiles — making it a powerful play when you can land it on a premium board square. It edges out the runner-up by 1 point, so competition at the top is close.

The next strongest plays are CARBOXYMETHYLCELLULOSE (46 / 52) and PHOSPHOGLYCERALDEHYDES (46 / 47). Notice how compact words with concentrated high-value consonants often rival or exceed longer vowel-heavy formations in raw point density — recognising these optimal clusters containing OS gives you a decisive edge in Scrabble, Words With Friends, and crossword challenges alike.

Letter Composition & Tile Score Breakdown for "OS"

Vowels: 1 (50%) Consonants: 1 (50%)
Rack balance: Well Balanced
1 O 1pt 1 S 1pt

Phonological Architecture & Letter Frequency

From a linguistic perspective, word-construction relies on balanced phonetic transitions between open vowels and consonant stops. This sequence features 1 vowel against 1 consonant, representing a 50% vowel concentration. This harmonic vowel-to-consonant ratio enables fluid syllabic construction, allowing diverse prefix and suffix formations across standard English vocabulary.

Vowels — 1 letter (50%)
O 1pt
Consonants — 1 letter (50%)
S 1pt

Definition & Meaning of OS

n.

A bone.

Semantic Context & Vocabulary Enrichment

Exploring word definitions and synonym clusters reinforces long-term vocabulary recall for crossword solvers and word puzzles. Connecting words to their lexical families reveals contextual connotations and nuances across classical and modern English usage.

Source: Webster's Revised Unabridged Dictionary (Public Domain) • WordNet 3.1 Lexical Database (Princeton University)

Frequently Asked Questions about Words Containing "OS"

How many words are containing "OS"?
WordMade found 10,867 valid words containing "OS". These range from 2-letter words up to 25-letter words, playable in Scrabble, Words With Friends, and Wordle.
What is the highest-scoring word containing "OS"?
The highest-scoring word containing "OS" is CARBOXYMETHYLCELLULOSES, worth 47 points in tournament Scrabble and 53 points in Words With Friends.
Are these words valid in Scrabble and Words With Friends?
Yes, all words containing "OS" in our index are cross-referenced with official tournament lexicons including TWL/NWL (North America), CSW/SOWPODS (international play), and the official Words With Friends dictionary.
What is the longest word containing "OS"?
The longest words containing "OS" reach 25 letters in length, offering maximum board-spanning leverage on tournament grids.
Can I use words containing "OS" for Wordle or crosswords?
Yes, this list contains valid vocabulary options suitable for solving Wordle puzzles (especially 5-letter entries) and standard newspaper crosswords.

Words by Letter Count

3 Letter Words 4 Letter Words 5 Letter Words 6 Letter Words 7 Letter Words 8 Letter Words

High Scoring words list:

High Scoring 3 Letter Words High Scoring 4 Letter Words High Scoring 5 Letter Words High Scoring 6 Letter Words High Scoring 7 Letter Words High Scoring 8 Letter Words

There are some words list based on popularity created by adding extra letters to Os, These may helps in word games like scrabble and word puzzle.

abrazos 18 abelmosk 16 adjigos 16 acosmism 14 abmhos 13 accosted 13 acervose 13 alphosis 13 amidmost 13 amyloses 13 acarbose 12 acosmist 12 acrosome 12 acrostic 12 aftmost 12 aikidos 12 albumose 12 ambrosia 12 amylose 12 accosts 11 acidoses 11 acidosis 11 adiposes 11 adiposis 11 agnostic 11 abrosias 10 acaulose 10 accost 10 actinost 10 adipose 10 aftosas 10 aggerose 10 agnosic 10 airposts 10 albedos 10 albugos 10 alecosts 10 ameioses 10 ameiosis 10 amitoses 10 amitosis 10 amorosas 10 amorosos 10 amosites 10 abioses 9 abiosis 9 abrosia 9 acerose 9 acetose 9 acinose 9 actuose 9 adagios 9 adenoses 9 adenosis 9 adobos 9 aftosa 9 agaroses 9 aglossal 9 aglossia 9 agnosias 9 airpost 9 albinos 9 alecost 9 aliyos 9 alkos 9 allegros 9 alnicos 9 ambos 9 amigos 9 ammos 9 amorosa 9 amoroso 9 amosite 9 across 8 addios 8 aerosats 8 aerosols 8 aerostat 8 aerugos 8 afros 8 agarose 8 aggros 8 agnosia 8 ailantos 8 alamos 8 aldoses 8 allosaur 8 almost 8 amnios 8 aerosat 7 aerosol 7 agloos 7 alcos 7 aldose 7 adios 6 aerose 6 agios 6 aidos 6 aeros 5 altos 5

Explore Related Word Patterns for "OS"

Words starting with OS Words ending with OS Words made from OS