13 Letter Words That End in IS

There are 116+ 13 letter words ending in IS in our English dictionary. Every 13-letter IS-ending 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 ending in IS.

Popular 13-Letter Words Ending in IS

actinomycosis 22
blastogenesis 16
bronchiolitis 20
cytodiagnosis 20
dynamogenesis 20
enterocolitis 15
epidermolysis 21
hydrarthrosis 23
labyrinthitis 21
lymphomatosis 25
parapsychosis 25
perigastritis 16

All 13-Letter Words Ending in IS (69 words)

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How Common is IS as an Ending 13 Letter word?

There are 116 13-letter words ending in IS in English. The average Scrabble score here is 20.4.

Total Words
116
Avg Scrabble Score
20.4
Top Vowel Pairs
IA
IO

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13 Letter Words ending in IS 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 with IS.

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 IS-Words in Scrabble

chiquichiquis 41
tachyphylaxis 36
mycotoxicosis 29
heterozygosis 29
schizogenesis 28
lymphocytosis 28

What is the highest scoring word in Scrabble that ends with IS?

41 Points

The highest scoring word in Scrabble that ends with IS is chiquichiquis with a total of 41 points.

C 3
H 4
I 1
Q 10
U 1
I 1
C 3
H 4
I 1
Q 10
U 1
I 1
S 1

FAQ 13 Letter Words That End in IS

  • How many 13 letter words ending with IS are in the English dictionary?

    There are 116 13-letter words in the English dictionary that end with IS. The average Scrabble score across them is 20.4.

  • Are there any rare 13 letter words ending in IS worth more in Scrabble?

    Yes. Uncommon 13-letter words like "chiquichiquis", "heterozygosis", "toxoplasmosis", "mycotoxicosis" end with IS and can score big thanks to their unusual letters. "chiquichiquis" is worth 41 points in Scrabble before any bonus tiles.

  • What are the most common 13 letter words ending in IS?

    Everyday 13-letter words ending in IS include "actinomycosis", "blastogenesis", "bronchiolitis", "cytodiagnosis", "dynamogenesis".

Next to Words End In IS

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