12-Letter Words Matching _____S___R__

There are 23 12-letter words that match _____S___R__. 7 are common words, such as BATHYSPHERES and HYDROSPHERES. A rarer one is UNDERSTEERED. In this set, E is the most frequent open letter (21 words). 3 words contain a doubled letter.

Full list 23

bathysphereshydrosphereslithospherespachysandrasreconsideredtropospheresunconsideredphotosphericsupersedurestroposphericgrotesqueriehydrosphericlithosphericmicrospheresozonospheresphotospheresplanispheresplanisphericpredischargerhizospheressheepshearerthalassocratundersteered

About this list

Words
23 (7 common words)
Common example
bathyspheres
Rare example
understeered
Doubled letters
3
Ending in S
11
Most frequent letter
E (21)

Questions

How many 12-letter words matching _____s___r__ are there?

23. 7 of them are common words.

What is a common example?

BATHYSPHERES is among the common words in this set.