13-Letter Words Matching ___U_____S___

There are 29 13-letter words that match ___U_____S___. 12 are common words, such as ARDUOUSNESSES and FATUOUSNESSES. A rarer one is VOLUBLENESSES. In this set, N is the most frequent open letter (27 words). 22 words contain a doubled letter.

Full list 29

Common words

arduousnessesfatuousnessesgenuinenessesgrouchinessesnaturalnessesroguishnessesscruffinessesstaunchnessestenuousnessesthoughtlesslyunluckinessesvacuousnesses
arduousnessesfatuousnessesgenuinenessesgrouchinessesnaturalnessesroguishnessesscruffinessesstaunchnessestenuousnessesthoughtlesslyunluckinessesvacuousnessesassurednessesillusionisticombudsmanshipsinuousnessesvoluntaristicceruloplasmininhumannessesnonuniversalsnonuniversitypiquantnessespreuniversitypseudoclassicslouchinessessuburbanisingunquietnessesvoguishnessesvolublenesses

About this list

Words
29 (12 common words)
Common example
arduousnesses
Rare example
volublenesses
Doubled letters
22
Ending in S
20
Most frequent letter
N (27)

Questions

How many 13-letter words matching ___u_____s___ are there?

29. 12 of them are common words.

What is a common example?

ARDUOUSNESSES is among the common words in this set.