13 Letter Words Containing IOU

There are 146+ 13 letter words with IOU in our English dictionary. Every 13-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 13-Letter Words With IOU

consciousness 17
behaviourisms 23
curiousnesses 15
deliriousness 14
dioeciousness 16
disceptatious 18
dubiousnesses 16
hilariousness 16
illustriously 16
incuriousness 15
innoxiousness 20
inofficiously 24

All 13-Letter Words With IOU (121 words)

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How Common is IOU as a Middle 13 Letter word?

There are 146 13-letter words containing IOU in English. The average Scrabble score here is 18.1, with -S endings dominating (73% of them).

Total Words
146
Avg Scrabble Score
18.1
Most Common Ending (73%)
S
Top Vowel Pairs
IO
OU

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13 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 13 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 13 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 13-Letter IOU-Words in Scrabble

expeditiously 26
injudiciously 26
symphoniously 26
quadrifarious 26
efficaciously 26
inofficiously 24

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

26 Points

The highest scoring word in Scrabble that contains IOU is expeditiously with a total of 26 points.

E 1
X 8
P 3
E 1
D 2
I 1
T 1
I 1
O 1
U 1
S 1
L 1
Y 4
adverb 1. with speed and efficiency

FAQ 13 Letter Words With IOU

  • How many 13 letter words containing IOU are in the English dictionary?

    There are 146 13-letter words in the English dictionary that contain IOU. The average Scrabble score across them is 18.1.

  • Are there any rare 13 letter words containing IOU worth more in Scrabble?

    Yes. Uncommon 13-letter words like "expeditiously", "injudiciously", "quadrifarious", "illustriously" contain IOU and can score big thanks to their unusual letters. "expeditiously" is worth 26 points in Scrabble before any bonus tiles.

  • What are the most common 13 letter words containing IOU?

    Everyday 13-letter words containing IOU include "consciousness", "behaviourisms", "curiousnesses", "deliriousness", "dioeciousness".