13-Letter Words Matching ___S______R__

There are 12 13-letter words that match ___S______R__. 3 are common words, such as NONSTRUCTURAL and PLASTERBOARDS. A rarer one is SUBSTRUCTURAL. In this set, T is the most frequent open letter (11 words). 1 words contain a doubled letter.

Full list 12

nonstructuralplasterboardssubstructuresblastospherespassementeriedensitometricnonstructuredprestructuredprestructuressensitometricsensorineuralsubstructural

About this list

Words
12 (3 common words)
Common example
nonstructural
Rare example
substructural
Doubled letters
1
Ending in S
4
Most frequent letter
T (11)

Questions

How many 13-letter words matching ___s______r__ are there?

12. 3 of them are common words.

What is a common example?

NONSTRUCTURAL is among the common words in this set.