15-Letter Words Matching ______S______I_

There are 16 15-letter words that match ______S______I_. 4 are common words, such as ATHEROSCLEROSIS and EXPRESSIONISTIC. A rarer one is PSYCHOSYNTHESIS. In this set, O is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 16

atherosclerosisexpressionisticimpressionisticsadomasochisticancylostomiasisankylostomiasisatheroscleroticcentrosymmetricconnoisseurshipoverpessimisticphlebosclerosisnonaristocraticnucleosynthesisnucleosyntheticprogressivisticpsychosynthesis

About this list

Words
16 (4 common words)
Common example
atherosclerosis
Rare example
psychosynthesis
Doubled letters
6
Ending in S
6
Most frequent letter
O (16)

Questions

How many 15-letter words matching ______s______i_ are there?

16. 4 of them are common words.

What is a common example?

ATHEROSCLEROSIS is among the common words in this set.