15-Letter Words Matching ___S_R_________

There are 19 15-letter words that match ___S_R_________. 5 are common words, such as CONSERVATIONISM and CONSERVATIONIST. A rarer one is MONSTROUSNESSES. In this set, T is the most frequent open letter (17 words). 6 words contain a doubled letter.

Full list 19

conservationismconservationistconstructionistleisurelinessespreservationistconservatorshipconstructivismsconstructivistsdessertspoonfulmeasurelessnesspreservationismsubstratospherebiostratigraphyboustrophedonicdiastrophicallygeostrophicallymeasurabilitiesmensurabilitiesmonstrousnesses

About this list

Words
19 (5 common words)
Common example
conservationism
Rare example
monstrousnesses
Doubled letters
6
Ending in S
7
Most frequent letter
T (17)

Questions

How many 15-letter words matching ___s_r_________ are there?

19. 5 of them are common words.

What is a common example?

CONSERVATIONISM is among the common words in this set.