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15-Letter Words With CIOU

  • 32 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular 15-Letter Words With CIOU

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

All 15-Letter Words With CIOU 32 words

How often does CIOU appear in fifteen-letter words?

Our combined English word list has 32 fifteen-letter words containing CIOU. They average 20.8 points, the best is INEFFICACIOUSLY (28 points) and 90.6% end in S.

Total words
32
Average Scrabble score
20.8
out of 28 max
Everyday words
3%
common in ordinary English
Most common ending
S
90.6% of words

Most common last letters

  • s 90.6%
  • y 9.4%

Top vowel pairs

  • io100%
  • ou100%
  • oe6.3%

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 containing CIOU

i 1n 1e 1f 4f 4i 1c 3a 1c 3i 1o 1u 1s 1l 1y 4

I 1 + N 1 + E 1 + F 4 + F 4 + I 1 + C 3 + A 1 + C 3 + I 1 + O 1 + U 1 + S 1 + L 1 + Y 4 = 28 points

Double word
56 pts
Triple word
84 pts

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

inefficaciously

  1. adverbin an ineffective manner“he dealt with the problem rather ineffectively”
  • Scrabble US
  • Scrabble UK
  • Words With Friends

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Words containing CIOU 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 CIOU in the middle of a word

15-Letter Words With CIOU by the numbers

15-Letter Words With CIOU FAQ

How many fifteen-letter words containing CIOU are there?

There are 32 fifteen-letter words containing CIOU 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 CIOU?

INEFFICACIOUSLY is worth 28 points in Scrabble before any bonus squares. Other strong options are PERSPICACIOUSLY (26), INJUDICIOUSNESS (25), EFFICACIOUSNESS (25).

Which rare fifteen-letter words containing CIOU score well?

Uncommon but valid choices include INEFFICACIOUSLY (28), JUDICIOUSNESSES (25), SEMICONSCIOUSLY (24), INOFFICIOUSNESS (23). Few players know them, so they can catch an opponent off guard.