9-Letter Words Matching ____S___R

There are 34 9-letter words that match ____S___R. 17 are common words, such as BACKSTAIR and COUNSELOR. A rarer one is TIMESAVER. In this set, E is the most frequent open letter (28 words). 10 words contain a doubled letter.

Full list 34

Common words

backstaircounselorcrossoverdepositordoomsayerexpositorforesweargainsayergruesomerhandsomerlifesaverregistrar
backstaircounselorcrossoverdepositordoomsayerexpositorforesweargainsayergruesomerhandsomerlifesaverregistrarsplashiersquashiersquishierthirstiertreasurercrosshairglossatorlunisolaroversteerantisolarblessedercoinsurerfrowstiergladsomerglissadergrewsomergrossularpatissierregisseurreinsurersnowshoertimesaver

About this list

Words
34 (17 common words)
Common example
backstair
Rare example
timesaver
Doubled letters
10
Ending in S
0
Most frequent letter
E (28)

Questions

How many 9-letter words matching ____s___r are there?

34. 17 of them are common words.

What is a common example?

BACKSTAIR is among the common words in this set.