15-Letter Words Matching U________A_____

There are 12 15-letter words that match U________A_____. 3 are common words, such as UNDERVALUATIONS and UNSPORTSMANLIKE. A rarer one is UNIFORMITARIANS. In this set, N is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

undervaluationsunsportsmanlikeutilitarianismsunequivocalnessultramontanismsunadulteratedlyunanticipatedlyunappreciationsunderemphasizedunderemphasizesunderinflationsuniformitarians

About this list

Words
12 (3 common words)
Common example
undervaluations
Rare example
uniformitarians
Doubled letters
2
Ending in S
8
Most frequent letter
N (12)

Questions

How many 15-letter words matching u________a_____ are there?

12. 3 of them are common words.

What is a common example?

UNDERVALUATIONS is among the common words in this set.