9-Letter Words Containing SRO

There are 12 9-letter words that contain SRO. 4 are common words, such as CLASSROOM and CROSSROAD. A rarer one is ORRISROOT. In this set, E is the most frequent open letter (7 words). 8 words contain a doubled letter.

Full list 12

classroomcrossroaddisrobingnewsroomspressroomsalesroomdisrobersdisrootedgrassrootmisroutedmisroutesorrisroot

About this list

Words
12 (4 common words)
Common example
classroom
Rare example
orrisroot
Doubled letters
8
Ending in S
3
Most frequent letter
E (7)

Questions

How many 9-letter words containing sro are there?

12. 4 of them are common words.

What is a common example?

CLASSROOM is among the common words in this set.