15-Letter Words Matching _____R_T_______

There are 23 15-letter words that match _____R_T_______. 7 are common words, such as AUTHORITATIVELY and COOPERATIVENESS. A rarer one is RESPIRITUALIZES. In this set, S is the most frequent open letter (21 words). 9 words contain a doubled letter.

Full list 23

authoritativelycooperativenessdemocratizationdesperatenesseselaboratenessespulchritudinoustemperatenessesdisparatenesseselectrotechnicselectrothermicsinspirationallyoverprotectionssubstratospherebiostratigraphycomparativenesscooperationistscryoprotectantsdespiritualizeddespiritualizesinoperativenessintegrationistsrespiritualizedrespiritualizes

About this list

Words
23 (7 common words)
Common example
authoritatively
Rare example
respiritualizes
Doubled letters
9
Ending in S
16
Most frequent letter
S (21)

Questions

How many 15-letter words matching _____r_t_______ are there?

23. 7 of them are common words.

What is a common example?

AUTHORITATIVELY is among the common words in this set.