14-Letter Words Matching U____M________

There are 17 14-letter words that match U____M________. 4 are common words, such as UNCOMMONNESSES and UNDERMENTIONED. A rarer one is UNIDIMENSIONAL. 5 words contain a doubled letter.

Full list 17

uncommonnessesundermentionedunpremeditatedunseemlinessesultramodernismultramodernistultramontanismultramontanistultramarathonsultramasculineultramicrotomeultramicrotomyultraminiatureuncommunicableundogmaticallyundramaticallyunidimensional

About this list

Words
17 (4 common words)
Common example
uncommonnesses
Rare example
unidimensional
Doubled letters
5
Ending in S
3

Questions

How many 14-letter words matching u____m________ are there?

17. 4 of them are common words.

What is a common example?

UNCOMMONNESSES is among the common words in this set.