15-Letter Words Matching ___E___M_______

There are 18 15-letter words that match ___E___M_______. 5 are common words, such as DEVELOPMENTALLY and INDETERMINACIES. A rarer one is SUPERSYMMETRIES. In this set, R is the most frequent open letter (17 words). 6 words contain a doubled letter.

Full list 18

developmentallyindeterminaciesindeterminatelypaterfamiliasessupernumerariesfideicommissaryindeterminationintercommunionsredeterminationcodeterminationhyperimmunizinghypersomnolenceindeterministicintercomparisonirreformabilitymaterfamiliasessuperhumanitiessupersymmetries

About this list

Words
18 (5 common words)
Common example
developmentally
Rare example
supersymmetries
Doubled letters
6
Ending in S
7
Most frequent letter
R (17)

Questions

How many 15-letter words matching ___e___m_______ are there?

18. 5 of them are common words.

What is a common example?

DEVELOPMENTALLY is among the common words in this set.