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12-Letter Words With ISM

  • 474 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular 12-Letter Words With ISM

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

All 12-Letter Words With ISM 474 words

How often does ISM appear in twelve-letter words?

Our combined English word list has 474 twelve-letter words containing ISM. They average 19.2 points, the best is ZYGOMORPHISM (34 points) and 53.8% end in S.

Total words
474
Average Scrabble score
19.2
out of 34 max
Everyday words
1%
common in ordinary English
Most common ending
S
53.8% of words

Most common last letters

  • s 53.8%
  • m 40.9%
  • l 1.3%

Top vowel pairs

  • io10.1%
  • ia9.3%
  • ei4.6%

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 ISM

z 10y 4g 2o 1m 3o 1r 1p 3h 4i 1s 1m 3

Z 10 + Y 4 + G 2 + O 1 + M 3 + O 1 + R 1 + P 3 + H 4 + I 1 + S 1 + M 3 = 34 points

Double word
68 pts
Triple word
102 pts

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

zygomorphism

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

  • Scrabble US
  • Scrabble UK
  • Words With Friends

Runners-up

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12-letter words containing…

Words containing ISM by length

Longer sequences containing ISM

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

Change the last letter of ISM

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 ISM in the middle of a word

12-Letter Words With ISM by the numbers

12-Letter Words With ISM FAQ

How many twelve-letter words containing ISM are there?

There are 474 twelve-letter words containing ISM 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 ISM?

ZYGOMORPHISM is worth 34 points in Scrabble before any bonus squares. Other strong options are ZOOMORPHISMS (30), SCHISMATIZED (29), XEROPHYTISMS (29).

What are some common twelve-letter words containing ISM?

Everyday examples include CONSERVATISM, SOMNAMBULISM, CHARISMATICS, FACTIONALISM, DISMEMBERING, ISOLATIONISM, COLLECTIVISM, DILETTANTISM. Sort the list by "Most common" to see the familiar words first.

Which rare twelve-letter words containing ISM score well?

Uncommon but valid choices include ZYGOMORPHISM (34), ZOOMORPHISMS (30), SCHISMATIZED (29), XEROPHYTISMS (29). Few players know them, so they can catch an opponent off guard.