15-Letter Words Matching U___________S__

There are 21 15-letter words that match U___________S__. 11 are common words, such as UNCEREMONIOUSLY and UNCLEANLINESSES. A rarer one is UNSETTLEDNESSES. In this set, N is the most frequent open letter (21 words). 16 words contain a doubled letter.

Full list 21

unceremoniouslyuncleanlinessesunearthlinessesunhealthinessesunnaturalnessesunpretentiouslyunselfishnessesunsightlinessesunwillingnessesunworldlinessesutilitarianismsuncertainnessesultramodernistsultramontanismsunboundednessesundutifulnessesunfeelingnessesunguardednessesuniversalnessesunseriousnessesunsettlednesses

About this list

Words
21 (11 common words)
Common example
unceremoniously
Rare example
unsettlednesses
Doubled letters
16
Ending in S
19
Most frequent letter
N (21)

Questions

How many 15-letter words matching u___________s__ are there?

21. 11 of them are common words.

What is a common example?

UNCEREMONIOUSLY is among the common words in this set.