15-Letter Words Matching _R_H___________

There are 16 15-letter words that match _R_H___________. 3 are common words, such as ARCHITECTURALLY and PREHISTORICALLY. A rarer one is TRIHALOMETHANES. 5 words contain a doubled letter.

Full list 16

architecturallyprehistoricallyprohibitionistsarchaeopteryxesarchiepiscopacyarchiepiscopateorthodonticallyorthopsychiatryprohibitivenessarchaebacteriumarcheologicallyorchestrationalorthogonalitiesorthogonalizingorthophosphatestrihalomethanes

About this list

Words
16 (3 common words)
Common example
architecturally
Rare example
trihalomethanes
Doubled letters
5
Ending in S
6

Questions

How many 15-letter words matching _r_h___________ are there?

16. 3 of them are common words.

What is a common example?

ARCHITECTURALLY is among the common words in this set.