15-Letter Words Matching A_____R________

There are 16 15-letter words that match A_____R________. 2 are common words, such as ANTIPERSPIRANTS and APPROPRIATENESS. A rarer one is ANTIPORNOGRAPHY. 8 words contain a doubled letter.

Full list 16

antiperspirantsappropriatenessachondroplasiasantiperistalsisautocorrelationachondroplasticallegoricalnessallegorizationsanisotropicallyantiarrhythmicsanticarcinogensanticorruptionsantiderivativesantiferromagnetantiforeclosureantipornography

About this list

Words
16 (2 common words)
Common example
antiperspirants
Rare example
antipornography
Doubled letters
8
Ending in S
10

Questions

How many 15-letter words matching a_____r________ are there?

16. 2 of them are common words.

What is a common example?

ANTIPERSPIRANTS is among the common words in this set.