12-Letter Words Matching ___L_______N

There are 21 12-letter words that match ___L_______N. 10 are common words, such as ADULTERATION and AMALGAMATION. A rarer one is SUBLIBRARIAN. In this set, I is the most frequent open letter (20 words). 4 words contain a doubled letter.

Full list 21

adulterationamalgamationameliorationexploitationhallucinogenimplantationinflammationphilodendronprolongationreallocationagglutinogendeflagrationdialecticianprolegomenoncyclodextrindeglaciationexplantationnonlibrarianprelapsarianreplantationsublibrarian

About this list

Words
21 (10 common words)
Common example
adulteration
Rare example
sublibrarian
Doubled letters
4
Ending in S
0
Most frequent letter
I (20)

Questions

How many 12-letter words matching ___l_______n are there?

21. 10 of them are common words.

What is a common example?

ADULTERATION is among the common words in this set.