15-Letter Words Matching _______LL______

There are 19 15-letter words that match _______LL______. 3 are common words, such as INTERCOLLEGIATE and NITROCELLULOSES. A rarer one is REINSTALLATIONS. In this set, E is the most frequent open letter (17 words). 19 words contain a doubled letter.

Full list 19

intercollegiatenitrocellulosesnonintellectualdefibrillationsinterpellationsmicromillimeterzygophyllaceouschorioallantoicchorioallantoiscomptrollershipcrestfallennessextracellularlyintracellularlylignocelluloseslignocellulosicmisrecollectionmultimillennialredistillationsreinstallations

About this list

Words
19 (3 common words)
Common example
intercollegiate
Rare example
reinstallations
Doubled letters
19
Ending in S
9
Most frequent letter
E (17)

Questions

How many 15-letter words matching _______ll______ are there?

19. 3 of them are common words.

What is a common example?

INTERCOLLEGIATE is among the common words in this set.