15-Letter Words Matching __AR___________

There are 19 15-letter words that match __AR___________. 8 are common words, such as CHARACTERISTICS and HEARTLESSNESSES. A rarer one is WEARISOMENESSES. In this set, I is the most frequent open letter (16 words). 8 words contain a doubled letter.

Full list 19

characteristicsheartlessnessesheartsicknessesnearsightednesspharmaceuticalspharmacologicalpharmacologistsquarrelsomenessamaryllidaceouscharismaticallyheartbreakinglypharmacotherapypharisaicalnesspharmacodynamicpharmacognosiespharmacognosticpharmacokineticquarterfinalistwearisomenesses

About this list

Words
19 (8 common words)
Common example
characteristics
Rare example
wearisomenesses
Doubled letters
8
Ending in S
11
Most frequent letter
I (16)

Questions

How many 15-letter words matching __ar___________ are there?

19. 8 of them are common words.

What is a common example?

CHARACTERISTICS is among the common words in this set.