15-Letter Words Matching ______R_____S__

There are 19 15-letter words that match ______R_____S__. 5 are common words, such as BROTHERLINESSES and DISENFRANCHISED. A rarer one is SUBTERRANEOUSLY. In this set, S is the most frequent open letter (18 words). 7 words contain a doubled letter.

Full list 19

brotherlinessesdisenfranchiseddisenfranchisesfoolhardinessesunnaturalnessesantiperistalsiscounterproposalephemeralnessescounterprotestscryptorchidismsendoparasitismsgeohydrologistshemochromatoseshemochromatosishypercriticismsilliberalnessesmonochromatismspainterlinessessubterraneously

About this list

Words
19 (5 common words)
Common example
brotherlinesses
Rare example
subterraneously
Doubled letters
7
Ending in S
16
Most frequent letter
S (18)

Questions

How many 15-letter words matching ______r_____s__ are there?

19. 5 of them are common words.

What is a common example?

BROTHERLINESSES is among the common words in this set.