13-Letter Words Matching ___U___U_____

There are 13 13-letter words that match ___U___U_____. 2 are common words, such as LUXURIOUSNESS and PENURIOUSNESS. A rarer one is UNDUTIFULNESS. 9 words contain a doubled letter.

Full list 13

luxuriousnesspenuriousnessbeauteousnessinjuriousnessthaumaturgistunpunctualitybeautifulnessincuriousnessnonuniquenessrepunctuationthaumaturgiestroublousnessundutifulness

About this list

Words
13 (2 common words)
Common example
luxuriousness
Rare example
undutifulness
Doubled letters
9
Ending in S
10

Questions

How many 13-letter words matching ___u___u_____ are there?

13. 2 of them are common words.

What is a common example?

LUXURIOUSNESS is among the common words in this set.