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15-Letter Words With IFFU

  • 4 words
  • All English dictionaries
  • Scrabble points
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All 15-Letter Words With IFFU 4 words

How often does IFFU appear in fifteen-letter words?

Our combined English word list has 4 fifteen-letter words containing IFFU. They average 24.3 points and the best is IMMUNODIFFUSION (26 points).

Total words
4
Average Scrabble score
24.3
out of 26 max
Everyday words
0%
common in ordinary English
Most common ending
S
75% of words

Most common last letters

  • s 75%
  • n 25%

Top vowel pairs

  • io50%
  • ie25%

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 containing IFFU

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 containing IFFU by length

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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 IFFU in the middle of a word

15-Letter Words With IFFU by the numbers

15-Letter Words With IFFU FAQ

How many fifteen-letter words containing IFFU are there?

There are 4 fifteen-letter words containing IFFU 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 containing IFFU?

IMMUNODIFFUSION is worth 26 points in Scrabble before any bonus squares. Other strong options are DIFFUSIVENESSES (25), DIFFUSIBILITIES (24), INTERDIFFUSIONS (22).

Which rare fifteen-letter words containing IFFU score well?

Uncommon but valid choices include IMMUNODIFFUSION (26), DIFFUSIVENESSES (25), DIFFUSIBILITIES (24), INTERDIFFUSIONS (22). Few players know them, so they can catch an opponent off guard.