15-Letter Words Matching U_____A________

There are 14 15-letter words that match U_____A________. 5 are common words, such as UNDERHANDEDNESS and UNDERVALUATIONS. A rarer one is UPGRADABILITIES. In this set, T is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 14

underhandednessundervaluationsunreliabilitiesunsuitabilitiesutilitarianismsuncertainnessesunsociabilitiesultrafastidiousultramarathoneruncompassionateunextraordinaryunknowabilitiesunworkabilitiesupgradabilities

About this list

Words
14 (5 common words)
Common example
underhandedness
Rare example
upgradabilities
Doubled letters
3
Ending in S
11
Most frequent letter
T (13)

Questions

How many 15-letter words matching u_____a________ are there?

14. 5 of them are common words.

What is a common example?

UNDERHANDEDNESS is among the common words in this set.