12-Letter Words Matching _S_R________

There are 14 12-letter words that match _S_R________. 7 are common words, such as ASTRINGENTLY and ASTROLOGICAL. A rarer one is ASTROCYTOMAS. 1 words contain a doubled letter.

Full list 14

astringentlyastrologicalastrologistsastronauticsastronomicalastrophysicsestrangementastragalusesastrobiologyastrogeologyastrometriesostracodermsusuriousnessastrocytomas

About this list

Words
14 (7 common words)
Common example
astringently
Rare example
astrocytomas
Doubled letters
1
Ending in S
8

Questions

How many 12-letter words matching _s_r________ are there?

14. 7 of them are common words.

What is a common example?

ASTRINGENTLY is among the common words in this set.