13-Letter Words Matching _A_R_________

There are 32 13-letter words that match _A_R_________. 12 are common words, such as GARRULOUSNESS and HAIRDRESSINGS. A rarer one is SAPROGENICITY. In this set, I is the most frequent open letter (28 words). 13 words contain a doubled letter.

Full list 32

Common words

garrulousnesshairdressingshairsbreadthshairsplittershairsplittinglaureateshipsmatriculatingmatriculationpatriarchatespatrioticallypatronizinglysacrificially
garrulousnesshairdressingshairsbreadthshairsplittershairsplittinglaureateshipsmatriculatingmatriculationpatriarchatespatrioticallypatronizinglysacrificiallycaprificationmacrocephalicmacroeconomicmacromoleculemacroscopicalmatriarchatesmatrilineagesmatrilineallymatrimoniallypatrilineagespatronizationsacramentallysacrosanctitycarryforwardsmacroglobulinmacronutrientnarratologiesnarratologistnarrowcastingsaprogenicity

About this list

Words
32 (12 common words)
Common example
garrulousness
Rare example
saprogenicity
Doubled letters
13
Ending in S
11
Most frequent letter
I (28)

Questions

How many 13-letter words matching _a_r_________ are there?

32. 12 of them are common words.

What is a common example?

GARRULOUSNESS is among the common words in this set.