15-Letter Words Matching ____________RE_

There are 18 15-letter words that match ____________RE_. 5 are common words, such as CONCESSIONAIRES and COUNTERCULTURES. A rarer one is ULTRASTRUCTURES. In this set, S is the most frequent open letter (16 words). 2 words contain a doubled letter.

Full list 18

concessionairescounterculturescountermeasuresinfrastructuressuperstructurescommissionairesknickerbockereddistemperaturesmacrostructuresmaladministeredmicrostructurespremanufacturedpremanufacturessporangiophoressupercalenderedsuperencipheredultimogenituresultrastructures

About this list

Words
18 (5 common words)
Common example
concessionaires
Rare example
ultrastructures
Doubled letters
2
Ending in S
13
Most frequent letter
S (16)

Questions

How many 15-letter words matching ____________re_ are there?

18. 5 of them are common words.

What is a common example?

CONCESSIONAIRES is among the common words in this set.