15-Letter Words Matching ___I__R________

There are 21 15-letter words that match ___I__R________. 4 are common words, such as ANTIPERSPIRANTS and MERITORIOUSNESS. A rarer one is SEMITERRESTRIAL. 7 words contain a doubled letter.

Full list 21

antiperspirantsmeritoriousnessmilitarizationsredistributionsantiperistalsisjurisprudentialomnidirectionalsinistrodextralantiarrhythmicsanticarcinogensanticorruptionsantiderivativesantiferromagnetantiforeclosureantipornographyilliberalnessesmagistraticallyradioprotectionradioprotectivesemipornographysemiterrestrial

About this list

Words
21 (4 common words)
Common example
antiperspirants
Rare example
semiterrestrial
Doubled letters
7
Ending in S
10

Questions

How many 15-letter words matching ___i__r________ are there?

21. 4 of them are common words.

What is a common example?

ANTIPERSPIRANTS is among the common words in this set.