14-Letter Words Matching _____L____R___

There are 19 14-letter words that match _____L____R___. 3 are common words, such as NONBELLIGERENT and PARALLELOGRAMS. A rarer one is THIMBLEBERRIES. In this set, I is the most frequent open letter (18 words). 10 words contain a doubled letter.

Full list 19

nonbelligerentparallelogramsschoolmistressinfralapsarianinterlocutresspoikilothermicpremillenarianrectilinearitysupralapsarianwhortleberriesbiotelemetriesbuffaloberriescephalometriescephalosporinscurvilinearityflimflammeriesnephelometriespamphleteeringthimbleberries

About this list

Words
19 (3 common words)
Common example
nonbelligerent
Rare example
thimbleberries
Doubled letters
10
Ending in S
11
Most frequent letter
I (18)

Questions

How many 14-letter words matching _____l____r___ are there?

19. 3 of them are common words.

What is a common example?

NONBELLIGERENT is among the common words in this set.