10-Letter Words Matching ___U___U__

There are 12 10-letter words that match ___U___U__. 5 are common words, such as CHAUFFEURS and CONUNDRUMS. A rarer one is GROUNDOUTS. 1 words contain a doubled letter.

Full list 12

chauffeursconundrumsgroundnutsincunabulainquietudecolumbiumsmanubriumsroquelaureunpunctualusquebaughbotulinumsgroundouts

About this list

Words
12 (5 common words)
Common example
chauffeurs
Rare example
groundouts
Doubled letters
1
Ending in S
7

Questions

How many 10-letter words matching ___u___u__ are there?

12. 5 of them are common words.

What is a common example?

CHAUFFEURS is among the common words in this set.