13 Letter Words Containing SIS

There are 131+ 13 letter words with SIS in our English dictionary. Every 13-letter SIS 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 SIS.

Popular 13-Letter Words With SIS

contrabassist 17
endosymbiosis 21
epanadiplosis 18
haemodialysis 22
hematopoiesis 20
inconsistency 20
iontophoresis 18
leishmaniosis 18
leptospirosis 17
missishnesses 18
nonresistance 15
organogenesis 15

All 13-Letter Words With SIS (86 words)

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How Common is SIS as a Middle 13 Letter word?

There are 131 13-letter words containing SIS in English. The average Scrabble score here is 19.6, with -S endings dominating (79% of them).

Total Words
131
Avg Scrabble Score
19.6
Most Common Ending (79%)
S
Top Vowel Pairs
IA
IO

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13 Letter Words with SIS 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 SIS.

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 SIS-Words in Scrabble

mycotoxicosis 29
heterozygosis 29
schizogenesis 28
lymphocytosis 28
psychokinesis 27
homomorphosis 25

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

29 Points

The highest scoring word in Scrabble that contains SIS is mycotoxicosis with a total of 29 points.

M 3
Y 4
C 3
O 1
T 1
O 1
X 8
I 1
C 3
O 1
S 1
I 1
S 1
noun 1. A condition of toxicosis produced by a fungus; poisoning caused by a fungus.

FAQ 13 Letter Words With SIS

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

    There are 131 13-letter words in the English dictionary that contain SIS. The average Scrabble score across them is 19.6.

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

    Yes. Uncommon 13-letter words like "transistorize", "heterozygosis", "schizogenesis", "toxoplasmosis" contain SIS and can score big thanks to their unusual letters. "heterozygosis" is worth 29 points in Scrabble before any bonus tiles.

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

    Everyday 13-letter words containing SIS include "contrabassist", "endosymbiosis", "epanadiplosis", "haemodialysis", "hematopoiesis".