15-Letter Words Matching ___E___U_______

There are 18 15-letter words that match ___E___U_______. 12 are common words, such as DECEITFULNESSES and EGREGIOUSNESSES. A rarer one is UNSERIOUSNESSES. In this set, N is the most frequent open letter (17 words). 12 words contain a doubled letter.

Full list 18

deceitfulnessesegregiousnessesfacetiousnessesimperiousnessesimpetuousnessesingeniousnessesingenuousnessesmomentousnessesresentfulnessesstrenuousnessessuperabundancessuperfluousnessantepenultimatesuperabundantlysuperfluiditiessuperovulationsunrevolutionaryunseriousnesses

About this list

Words
18 (12 common words)
Common example
deceitfulnesses
Rare example
unseriousnesses
Doubled letters
12
Ending in S
15
Most frequent letter
N (17)

Questions

How many 15-letter words matching ___e___u_______ are there?

18. 12 of them are common words.

What is a common example?

DECEITFULNESSES is among the common words in this set.