14-Letter Words Matching ______R_U_____

There are 21 14-letter words that match ______R_U_____. 5 are common words, such as BOISTEROUSNESS and CHIVALROUSNESS. A rarer one is UNDERGROUNDERS. 13 words contain a doubled letter.

Full list 21

boisterousnesschivalrousnesscountercultureomnivorousnessvociferousnesscadaverousnesscountercurrentcounterpunchescountersubjectindecorousnessmalodorousnesstraitorousnessanticorruptioncounterpunchedcounterpuncheridolatrousnessoverpersuadingoverpersuasionprosperousnessslanderousnessundergrounders

About this list

Words
21 (5 common words)
Common example
boisterousness
Rare example
undergrounders
Doubled letters
13
Ending in S
13

Questions

How many 14-letter words matching ______r_u_____ are there?

21. 5 of them are common words.

What is a common example?

BOISTEROUSNESS is among the common words in this set.