15-Letter Words Matching ________I_L____

There are 21 15-letter words that match ________I_L____. 6 are common words, such as EXISTENTIALISMS and EXISTENTIALISTS. A rarer one is TERRITORIALIZES. In this set, E is the most frequent open letter (20 words). 10 words contain a doubled letter.

Full list 21

existentialismsexistentialistsneocolonialismsneocolonialistsoverspecializedoverspecializeselectrodialysissuperficialnessbougainvillaeascounterviolencedictatorialnesselectrodialyseselectrodialyticmultiracialismsnovemdecillionsprejudicialnesssubstantialnessterritorialismsterritorialiststerritorializedterritorializes

About this list

Words
21 (6 common words)
Common example
existentialisms
Rare example
territorializes
Doubled letters
10
Ending in S
17
Most frequent letter
E (20)

Questions

How many 15-letter words matching ________i_l____ are there?

21. 6 of them are common words.

What is a common example?

EXISTENTIALISMS is among the common words in this set.