15-Letter Words Matching _________C__R__

There are 13 15-letter words that match _________C__R__. 2 are common words, such as INFRASTRUCTURES and SUPERSTRUCTURES. A rarer one is ULTRASTRUCTURES. In this set, R is the most frequent open letter (13 words). 0 words contain a doubled letter.

Full list 13

infrastructuressuperstructuresinfrastructuralknickerbockeredsuperstructuralmacrostructuralmacrostructuresmicrostructuralmicrostructurespremanufacturedpremanufacturesultrastructuralultrastructures

About this list

Words
13 (2 common words)
Common example
infrastructures
Rare example
ultrastructures
Doubled letters
0
Ending in S
6
Most frequent letter
R (13)

Questions

How many 15-letter words matching _________c__r__ are there?

13. 2 of them are common words.

What is a common example?

INFRASTRUCTURES is among the common words in this set.