15-Letter Words Matching ___SI__________

There are 18 15-letter words that match ___SI__________. 8 are common words, such as CONSIDERATENESS and DISSIMILARITIES. A rarer one is PHYSIOPATHOLOGY. In this set, A is the most frequent open letter (16 words). 10 words contain a doubled letter.

Full list 18

consideratenessdissimilaritiespessimisticallyphysiologicallyphysiotherapiesphysiotherapistsensitivenessestonsillectomiesnonsignificancepassifloraceouspassionlessnessphysicochemicalphysiographicaldorsiventralityfissiparousnessmissionizationsnonsimultaneousphysiopathology

About this list

Words
18 (8 common words)
Common example
considerateness
Rare example
physiopathology
Doubled letters
10
Ending in S
10
Most frequent letter
A (16)

Questions

How many 15-letter words matching ___si__________ are there?

18. 8 of them are common words.

What is a common example?

CONSIDERATENESS is among the common words in this set.