13-Letter Words Matching U______U_____

There are 15 13-letter words that match U______U_____. 3 are common words, such as UNAMBIGUOUSLY and UNDERSTUDYING. A rarer one is UNSERIOUSNESS. 4 words contain a doubled letter.

Full list 15

unambiguouslyunderstudyingunpasteurizedunanimousnessunarticulatedundereducatedundiscourageduninstructiveunpressurizedunpunctualityultracautiousundercountingundutifulnessunmanipulatedunseriousness

About this list

Words
15 (3 common words)
Common example
unambiguously
Rare example
unseriousness
Doubled letters
4
Ending in S
4

Questions

How many 13-letter words matching u______u_____ are there?

15. 3 of them are common words.

What is a common example?

UNAMBIGUOUSLY is among the common words in this set.