15 Letter Words Containing OS

There are 342+ 15 letter words with OS in our English dictionary. Every 15-letter OS word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words with OS.

Popular 15-Letter Words With OS

ankylostomiasis 24
antiforeclosure 20
compositenesses 21
cosignificative 26
hospitalisation 20
impecuniosities 21
impossibilities 21
introspectively 25
monosyllabicity 27
phlebosclerosis 24
phosphorescence 29
photosensitises 20

All 15-Letter Words With OS (222 words)

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How Common is OS as a Middle 15 Letter word?

There are 342 15-letter words containing OS in English. The average Scrabble score here is 23.6, with -S endings dominating (52% of them).

Total Words
342
Avg Scrabble Score
23.6
Most Common Ending (52%)
S
Top Vowel Pairs
IO
IE

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15 Letter Words with OS are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 15 Letter Words starting with OS.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 15 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 15-Letter OS-Words in Scrabble

philosophizings 35
psychosexuality 35
photosynthesize 35
postsynchronize 34
phosphatization 34
enhypostatizing 33

What is the highest scoring word in Scrabble that contains OS?

35 Points

The highest scoring word in Scrabble that contains OS is philosophizings with a total of 35 points.

P 3
H 4
I 1
L 1
O 1
S 1
O 1
P 3
H 4
I 1
Z 10
I 1
N 1
G 2
S 1

FAQ 15 Letter Words With OS

  • How many 15 letter words containing OS are in the English dictionary?

    There are 342 15-letter words in the English dictionary that contain OS. The average Scrabble score across them is 23.6.

  • Are there any rare 15 letter words containing OS worth more in Scrabble?

    Yes. Uncommon 15-letter words like "juxtapositional", "hospitalization", "hypostatization", "hypostasization" contain OS and can score big thanks to their unusual letters. "hypostatization" is worth 32 points in Scrabble before any bonus tiles.

  • What are the most common 15 letter words containing OS?

    Everyday 15-letter words containing OS include "ankylostomiasis", "antiforeclosure", "compositenesses", "cosignificative", "hospitalisation".

Next to Words With OS

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