13-Letter Words Matching I____U_______

There are 25 13-letter words that match I____U_______. 12 are common words, such as IMPECUNIOUSLY and IMPETUOSITIES. A rarer one is INSOLUBLENESS. In this set, N is the most frequent open letter (23 words). 7 words contain a doubled letter.

Full list 25

Common words

impecuniouslyimpetuositiesimpetuousnessimpiousnessesinaugurationsingenuousnessinnocuousnessinstructionalinstructivelyinstrumentalsinstrumentinginvoluntarily
impecuniouslyimpetuositiesimpetuousnessimpiousnessesinaugurationsingenuousnessinnocuousnessinstructionalinstructivelyinstrumentalsinstrumentinginvoluntarilyillocutionaryimpecuniosityinsinuatinglyinstaurationsintegumentaryinvolutionaryilliquiditiesinfibulationsinosculationsinsalubritiesinsolubilizedinsolubilizesinsolubleness

About this list

Words
25 (12 common words)
Common example
impecuniously
Rare example
insolubleness
Doubled letters
7
Ending in S
14
Most frequent letter
N (23)

Questions

How many 13-letter words matching i____u_______ are there?

25. 12 of them are common words.

What is a common example?

IMPECUNIOUSLY is among the common words in this set.