14-Letter Words Matching _____S______R_

There are 17 14-letter words that match _____S______R_. 5 are common words, such as CONCESSIONAIRE and INFRASTRUCTURE. A rarer one is UNDERSTRAPPERS. In this set, E is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

concessionaireinfrastructurephilosophizerssuperstructureundersecretarysuperspreaderscommissionairemicrostructureultrastructureunderstructurecoconspiratorsdeconstructorsmacrostructureneurosecretorypredestinatorsreconstructorsunderstrappers

About this list

Words
17 (5 common words)
Common example
concessionaire
Rare example
understrappers
Doubled letters
3
Ending in S
7
Most frequent letter
E (16)

Questions

How many 14-letter words matching _____s______r_ are there?

17. 5 of them are common words.

What is a common example?

CONCESSIONAIRE is among the common words in this set.