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15-Letter Words Ending in USION

  • 3 words
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All 15-Letter Words Ending in USION 3 words

How common is USION at the end of fifteen-letter words?

Our combined English word list has 3 fifteen-letter words ending in USION. They average 21.3 points and the best is IMMUNODIFFUSION (26 points).

Total words
3
Average Scrabble score
21.3
out of 26 max
Everyday words
0%
common in ordinary English
Most common first letter
A
33.3% of words

Most common first letters

  • a 33.3%
  • i 33.3%
  • p 33.3%

Top vowel pairs

  • io100%
  • au33.3%

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 fifteen-letter word ending in USION

i 1m 3m 3u 1n 1o 1d 2i 1f 4f 4u 1s 1i 1o 1n 1

I 1 + M 3 + M 3 + U 1 + N 1 + O 1 + D 2 + I 1 + F 4 + F 4 + U 1 + S 1 + I 1 + O 1 + N 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).

immunodiffusion

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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Words ending in USION by length

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15-Letter Words Ending in USION by the numbers

15-Letter Words Ending in USION FAQ

How many fifteen-letter words ending in USION are there?

There are 3 fifteen-letter words ending in USION 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 fifteen-letter word ending in USION?

IMMUNODIFFUSION is worth 26 points in Scrabble before any bonus squares. Other strong options are POSTTRANSFUSION (20), AUTOTRANSFUSION (18).

Which rare fifteen-letter words ending in USION score well?

Uncommon but valid choices include IMMUNODIFFUSION (26), POSTTRANSFUSION (20), AUTOTRANSFUSION (18). Few players know them, so they can catch an opponent off guard.