11-Letter Words Matching _____S__U__

There are 18 11-letter words that match _____S__U__. 6 are common words, such as NONRESIDUAL and RECONSTRUCT. A rarer one is UNDERSHRUBS. In this set, E is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 18

nonresidualreconstructstagestrucktranssexualvicissitudewaterspoutsdeconstructintersexualpreinstructsupersedurehypersexuallebensraumsnondiscountsequestrumssociosexualsuperscoutssupersleuthundershrubs

About this list

Words
18 (6 common words)
Common example
nonresidual
Rare example
undershrubs
Doubled letters
2
Ending in S
5
Most frequent letter
E (17)

Questions

How many 11-letter words matching _____s__u__ are there?

18. 6 of them are common words.

What is a common example?

NONRESIDUAL is among the common words in this set.