13-Letter Words Matching ___L____R____

There are 16 13-letter words that match ___L____R____. 4 are common words, such as CHILDBEARINGS and COELENTERATES. A rarer one is SUBLIBRARIANS. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 16

childbearingscoelenteratesphilanderingsphilanthropicchalcopyritesunillustratedyellowthroatscollectorshipcyclosporinesmyelofibrosesmyelofibrosismyelofibroticnonlibrariansreflectorizedreflectorizessublibrarians

About this list

Words
16 (4 common words)
Common example
childbearings
Rare example
sublibrarians
Doubled letters
3
Ending in S
11
Most frequent letter
I (14)

Questions

How many 13-letter words matching ___l____r____ are there?

16. 4 of them are common words.

What is a common example?

CHILDBEARINGS is among the common words in this set.