15 Letter Words Containing IOU

There are 106+ 15 letter words with IOU in our English dictionary. Every 15-letter IOU word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words with IOU.

Popular 15-Letter Words With IOU

atrabiliousness 17
atrociousnesses 17
bumptiousnesses 21
deliciousnesses 18
demeritoriously 21
ferociousnesses 20
impecuniousness 21
incuriousnesses 17
industriousness 16
invidiousnesses 19
nefariousnesses 18
officiousnesses 23

All 15-Letter Words With IOU (88 words)

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How Common is IOU as a Middle 15 Letter word?

There are 106 15-letter words containing IOU in English. The average Scrabble score here is 19.8, with -S endings dominating (88% of them).

Total Words
106
Avg Scrabble Score
19.8
Most Common Ending (88%)
S
Top Vowel Pairs
IO
OU

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15 Letter Words with IOU are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 15 Letter Words starting with IOU.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 15 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 15-Letter IOU-Words in Scrabble

inefficaciously 28
hyperfastidious 27
discommodiously 26
circumambagious 26
excrementitious 26
perspicaciously 26

What is the highest scoring word in Scrabble that contains IOU?

28 Points

The highest scoring word in Scrabble that contains IOU is inefficaciously with a total of 28 points.

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

FAQ 15 Letter Words With IOU

  • How many 15 letter words containing IOU are in the English dictionary?

    There are 106 15-letter words in the English dictionary that contain IOU. The average Scrabble score across them is 19.8.

  • Are there any rare 15 letter words containing IOU worth more in Scrabble?

    Yes. Uncommon 15-letter words like "discommodiously", "demeritoriously", "superstitiously", "subreptitiously" contain IOU and can score big thanks to their unusual letters. "discommodiously" is worth 26 points in Scrabble before any bonus tiles.

  • What are the most common 15 letter words containing IOU?

    Everyday 15-letter words containing IOU include "atrabiliousness", "atrociousnesses", "bumptiousnesses", "deliciousnesses", "demeritoriously".