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12-Letter Words With OSIS

  • 43 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular 12-Letter Words With OSIS

The most familiar words on this list, with their Scrabble scores.

All 12-Letter Words With OSIS 43 words

How often does OSIS appear in twelve-letter words?

Our combined English word list has 43 twelve-letter words containing OSIS. They average 18.1 points, the best is BILHARZIOSIS (26 points) and 97.7% end in S.

Total words
43
Average Scrabble score
18.1
out of 26 max
Everyday words
2%
common in ordinary English
Most common ending
S
97.7% of words

Most common last letters

  • s 97.7%
  • d 2.3%

Top vowel pairs

  • io16.3%
  • eo9.3%
  • eu7%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring twelve-letter word containing OSIS

b 3i 1l 1h 4a 1r 1z 10i 1o 1s 1i 1s 1

B 3 + I 1 + L 1 + H 4 + A 1 + R 1 + Z 10 + I 1 + O 1 + S 1 + I 1 + S 1 = 26 points

Double word
52 pts
Triple word
78 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

bilharziosis

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

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12-letter words containing…

Words containing OSIS by length

Longer sequences containing OSIS

Each link adds one letter and keeps only combinations that have words.

Change the last letter of OSIS

Trending word lists

Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.

How to use this word list

Using OSIS in the middle of a word

12-Letter Words With OSIS by the numbers

12-Letter Words With OSIS FAQ

How many twelve-letter words containing OSIS are there?

There are 43 twelve-letter words containing OSIS in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring twelve-letter word containing OSIS?

BILHARZIOSIS is worth 26 points in Scrabble before any bonus squares. Other strong options are PHAGOCYTOSIS (23), PSYCHOGNOSIS (23), EPIMORPHOSIS (21).

What are some common twelve-letter words containing OSIS?

Everyday examples include TUBERCULOSIS, MISDIAGNOSIS, OSTEOPOROSIS. Sort the list by "Most common" to see the familiar words first.

Which rare twelve-letter words containing OSIS score well?

Uncommon but valid choices include BILHARZIOSIS (26), CHEMIOSMOSIS (21), CRYPTOBIOSIS (21), HYPERIDROSIS (21). Few players know them, so they can catch an opponent off guard.