15-Letter Words Matching ____R____S_____

There are 18 15-letter words that match ____R____S_____. 6 are common words, such as COMPREHENSIVELY and CONTROVERSIALLY. A rarer one is SUPERPARASITISM. In this set, E is the most frequent open letter (18 words). 10 words contain a doubled letter.

Full list 18

comprehensivelycontroversiallynonprofessionalremorselessnesssubprofessionalsuperimpositionoverrepresentedpreprofessionalunderinvestmentupperclasswomanupperclasswomenexternalisationhyperparasitisminterdivisionalinterlacustrinenonprofessorialnonprogressivessuperparasitism

About this list

Words
18 (6 common words)
Common example
comprehensively
Rare example
superparasitism
Doubled letters
10
Ending in S
2
Most frequent letter
E (18)

Questions

How many 15-letter words matching ____r____s_____ are there?

18. 6 of them are common words.

What is a common example?

COMPREHENSIVELY is among the common words in this set.