15-Letter Words Matching __OL___________

There are 17 15-letter words that match __OL___________. 2 are common words, such as FOOLHARDINESSES and WHOLESOMENESSES. A rarer one is PROLETARIANIZES. In this set, E is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

foolhardinesseswholesomenessesbioluminescencecholecalciferolcholecystectomycholecystitidesapolipoproteinscholangiographycholecystitisescholecystokinincholestyraminescholinergicallycholinesterasesproletarianisedproletarianisesproletarianizedproletarianizes

About this list

Words
17 (2 common words)
Common example
foolhardinesses
Rare example
proletarianizes
Doubled letters
3
Ending in S
9
Most frequent letter
E (16)

Questions

How many 15-letter words matching __ol___________ are there?

17. 2 of them are common words.

What is a common example?

FOOLHARDINESSES is among the common words in this set.