10-Letter Words Matching _____A_R__

There are 20 10-letter words that match _____A_R__. 6 are common words, such as DEBONAIRLY and HANDBARROW. A rarer one is SIMULACRES. In this set, I is the most frequent open letter (14 words). 5 words contain a doubled letter.

Full list 20

debonairlyhandbarrowpaediatricsolitairesunimpairedallopatricambulacrumgeneratrixlonghairedrestharrowseparatrixsimulacrumwirehairedallosaurusambulacralcrowbarredluminairessemisacredsimulacresdominatrix

About this list

Words
20 (6 common words)
Common example
debonairly
Rare example
simulacres
Doubled letters
5
Ending in S
4
Most frequent letter
I (14)

Questions

How many 10-letter words matching _____a_r__ are there?

20. 6 of them are common words.

What is a common example?

DEBONAIRLY is among the common words in this set.