10-Letter Words Matching ____S__U__

There are 26 10-letter words that match ____S__U__. 9 are common words, such as ANTISERUMS and COLOSTRUMS. A rarer one is REGISSEURS. In this set, T is the most frequent open letter (18 words). 9 words contain a doubled letter.

Full list 26

Common words

antiserumscolostrumsdownspoutsdumbstruckhomosexualirresolutemoonstruckoverstrungpotassiumsbrassboundcrassitudeglasshouse
antiserumscolostrumsdownspoutsdumbstruckhomosexualirresolutemoonstruckoverstrungpotassiumsbrassboundcrassitudeglasshouseoverslaughrediscountreinstructstarstruckambisexualantisexualcolosseumscrosscourtequisetumsimposthumeoverstruckparasexualrainspoutsregisseurs

About this list

Words
26 (9 common words)
Common example
antiserums
Rare example
regisseurs
Doubled letters
9
Ending in S
8
Most frequent letter
T (18)

Questions

How many 10-letter words matching ____s__u__ are there?

26. 9 of them are common words.

What is a common example?

ANTISERUMS is among the common words in this set.