10-Letter Words Matching ______RU__

There are 24 10-letter words that match ______RU__. 12 are common words, such as ANTISERUMS and BREADCRUMB. A rarer one is OVERSTRUCK. 4 words contain a doubled letter.

Full list 24

antiserumsbreadcrumbbreadfruitcolostrumsconundrumsdumbstruckgrapefruitmoonstruckoverstrungpaintbrushtoothbrushunderbrushhearthrugsindecorumsmotortruckmulligrubsoverthrustpyrethrumsreinstructshortcruststarstruckundertrumpnonaccrualoverstruck

About this list

Words
24 (12 common words)
Common example
antiserums
Rare example
overstruck
Doubled letters
4
Ending in S
7

Questions

How many 10-letter words matching ______ru__ are there?

24. 12 of them are common words.

What is a common example?

ANTISERUMS is among the common words in this set.