15-Letter Words Matching ____SE_________

There are 15 15-letter words that match ____SE_________. 3 are common words, such as HOMOSEXUALITIES and PRAISEWORTHIEST. A rarer one is REPOSEFULNESSES. In this set, I is the most frequent open letter (14 words). 2 words contain a doubled letter.

Full list 15

homosexualitiespraiseworthiestvivisectionistsdemisemiquaversoversensitivityunassertivenessambisexualitiesantisegregationantisentimentalantiseparatistsantisexualitieshyposensitizingparasexualitiesphrasemongeringreposefulnesses

About this list

Words
15 (3 common words)
Common example
homosexualities
Rare example
reposefulnesses
Doubled letters
2
Ending in S
9
Most frequent letter
I (14)

Questions

How many 15-letter words matching ____se_________ are there?

15. 3 of them are common words.

What is a common example?

HOMOSEXUALITIES is among the common words in this set.