9-Letter Words Matching _____A_R_

There are 17 9-letter words that match _____A_R_. 6 are common words, such as ARMCHAIRS and DEBONAIRE. A rarer one is UNREPAIRS. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 17

armchairsdebonairedinosaurslonghairssolitairewirehairsambulacraglengarrymonolatrysimulacraallopatrybalisaursbedchairsluminairemosasaurssimulacreunrepairs

About this list

Words
17 (6 common words)
Common example
armchairs
Rare example
unrepairs
Doubled letters
2
Ending in S
8
Most frequent letter
I (12)

Questions

How many 9-letter words matching _____a_r_ are there?

17. 6 of them are common words.

What is a common example?

ARMCHAIRS is among the common words in this set.