12-Letter Words Matching ____A_____R_

There are 22 12-letter words that match ____A_____R_. 13 are common words, such as DEFLATIONARY and EXTRASENSORY. A rarer one is PREMAXILLARY. 7 words contain a doubled letter.

Full list 22

deflationaryextrasensorygoddaughtersgormandizersinflammatoryinflationaryoutmaneuversoutmanoeuvrephilanderersprobationaryprobationerssympathizerstestamentaryacciaccaturaingratiatoryreflationarystreamlinerssubmaxillaryaggrandizersbuffaloberrycephalometrypremaxillary

About this list

Words
22 (13 common words)
Common example
deflationary
Rare example
premaxillary
Doubled letters
7
Ending in S
8

Questions

How many 12-letter words matching ____a_____r_ are there?

22. 13 of them are common words.

What is a common example?

DEFLATIONARY is among the common words in this set.