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15 Letter Words Containing SIS

There are 52+ 15 letter words with SIS in our English dictionary. Every 15-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 15-Letter Words With SIS

anthropogenesis 21
ariboflavinosis 23
electrophoresis 22
glyconeogenesis 22
hypochondriasis 29
immunodiagnosis 21
leukaemogenesis 22
metempsychosist 29
neurohypophysis 31
nucleosynthesis 23
overemphasising 26
pharmacognosist 25

All 15-Letter Words With SIS (40 words)

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How Common is SIS as a Middle 15 Letter word?

There are 52 15-letter words containing SIS in English. The average Scrabble score here is 23, with -S endings dominating (79% of them).

Total Words
52
Avg Scrabble Score
23.0
Most Common Ending (79%)
S
Top Vowel Pairs
IA
EU

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15 Letter Words With

Words With SIS

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15 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 15 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 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 SIS-Words in Scrabble

adenohypophysis 32
neurohypophysis 31
psychosynthesis 31
onychocryptosis 30
hypochondriasis 29
metempsychosist 29

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

32 Points

The highest scoring word in Scrabble that contains SIS is adenohypophysis with a total of 32 points.

A 1
D 2
E 1
N 1
O 1
H 4
Y 4
P 3
O 1
P 3
H 4
Y 4
S 1
I 1
S 1
noun 1. The anterior part of the hypophysis (pituitary gland), which secretes hormones having a trophic effect on other glands of the endocrine system; the anterior pituitary.

FAQ 15 Letter Words With SIS

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

    There are 52 15-letter words in the English dictionary that contain SIS. The average Scrabble score across them is 23.

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

    Yes. Uncommon 15-letter words like "transistorizing", "solipsistically", "pharmacognosist", "metempsychosist" contain SIS and can score big thanks to their unusual letters. "metempsychosist" is worth 29 points in Scrabble before any bonus tiles.

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

    Everyday 15-letter words containing SIS include "anthropogenesis", "ariboflavinosis", "electrophoresis", "glyconeogenesis", "hypochondriasis".