15-Letter Words Matching _____E_____E___

There are 20 15-letter words that match _____E_____E___. 3 are common words, such as IMPOVERISHMENTS and PARTHENOGENESES. A rarer one is SUPERENCIPHERED. In this set, N is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 20

impoverishmentsparthenogenesesparthenogenesiscountercurrentshamamelidaceousknickerbockeredoverrefinementsparthenogeneticuninterruptedlycounterevidencecounterpicketedcounterprojectscounterprotestscountertendencycounterviolenceleukaemogenesesleukaemogenesissemiretirementssuperefficiencysuperenciphered

About this list

Words
20 (3 common words)
Common example
impoverishments
Rare example
superenciphered
Doubled letters
4
Ending in S
11
Most frequent letter
N (19)

Questions

How many 15-letter words matching _____e_____e___ are there?

20. 3 of them are common words.

What is a common example?

IMPOVERISHMENTS is among the common words in this set.