13-Letter Words Matching R_____H______

There are 12 13-letter words that match R_____H______. 2 are common words, such as RAFFISHNESSES and ROGUISHNESSES. A rarer one is RUTTISHNESSES. 4 words contain a doubled letter.

Full list 12

raffishnessesroguishnessesradiochemicalresynchronizerhombohedronsradiochemistsradiothoriumsreddishnessesresynthesizedresynthesizesrhodochrositeruttishnesses

About this list

Words
12 (2 common words)
Common example
raffishnesses
Rare example
ruttishnesses
Doubled letters
4
Ending in S
8

Questions

How many 13-letter words matching r_____h______ are there?

12. 2 of them are common words.

What is a common example?

RAFFISHNESSES is among the common words in this set.