15-Letter Words Matching ____LL_________

There are 19 15-letter words that match ____LL_________. 9 are common words, such as DISILLUSIONMENT and INFALLIBILITIES. A rarer one is RECALLABILITIES. In this set, E is the most frequent open letter (18 words). 19 words contain a doubled letter.

Full list 19

disillusionmentinfallibilitiesintellectualismintellectualizeintelligentsiasintelligibilitypusillanimitiespusillanimouslyunwillingnessesintellectualityparallelepipedsparallelizationintellectualistmedulloblastomametallographersmetallographiesmetallurgicallyoscillographiesrecallabilities

About this list

Words
19 (9 common words)
Common example
disillusionment
Rare example
recallabilities
Doubled letters
19
Ending in S
9
Most frequent letter
E (18)

Questions

How many 15-letter words matching ____ll_________ are there?

19. 9 of them are common words.

What is a common example?

DISILLUSIONMENT is among the common words in this set.