15-Letter Words Matching _______R___S___

There are 18 15-letter words that match _______R___S___. 4 are common words, such as ARBITRARINESSES and HAPHAZARDNESSES. A rarer one is VOLUNTARINESSES. In this set, N is the most frequent open letter (18 words). 15 words contain a doubled letter.

Full list 18

arbitrarinesseshaphazardnessesmomentarinessestemporarinessesdisembarrassingadversarinessesantiaphrodisiacbureaucratisingcustomarinessesdesultorinessesexemplarinessesimaginarinessesinterparoxysmalmercenarinessesprematurenessessecondarinessesvisionarinessesvoluntarinesses

About this list

Words
18 (4 common words)
Common example
arbitrarinesses
Rare example
voluntarinesses
Doubled letters
15
Ending in S
14
Most frequent letter
N (18)

Questions

How many 15-letter words matching _______r___s___ are there?

18. 4 of them are common words.

What is a common example?

ARBITRARINESSES is among the common words in this set.