13-Letter Words Matching _____A__R____

There are 20 13-letter words that match _____A__R____. 5 are common words, such as ANTIMALARIALS and BURGLARPROOFS. A rarer one is THAUMATURGIES. In this set, S is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 20

antimalarialsburglarproofscaricaturistsconfraternitysalutatorianscoronavirusesnonmeasurablethaumaturgistbenzoapyrenescamerapersonschateaubriandipsilaterallymoderatorshipnonclassroomsovereagernessoversaturatedoversaturatespapovavirusesspectatorshipthaumaturgies

About this list

Words
20 (5 common words)
Common example
antimalarials
Rare example
thaumaturgies
Doubled letters
4
Ending in S
12
Most frequent letter
S (18)

Questions

How many 13-letter words matching _____a__r____ are there?

20. 5 of them are common words.

What is a common example?

ANTIMALARIALS is among the common words in this set.