15-Letter Words Matching _____E________N

There are 21 15-letter words that match _____E________N. 4 are common words, such as NONPRESCRIPTION and SUPPLEMENTATION. A rarer one is PSEUDEPIGRAPHON. 2 words contain a doubled letter.

Full list 21

nonprescriptionsupplementationthunderstrickenunderestimationcounterpetitionindeterminationparametrizationredeterminationreinvestigationrhombencephalonantisegregationcodeterminationcomplementationcountercampaigncounterquestioncounterreactioncyanoethylationetherealizationphotoexcitationpostdevaluationpseudepigraphon

About this list

Words
21 (4 common words)
Common example
nonprescription
Rare example
pseudepigraphon
Doubled letters
2
Ending in S
0

Questions

How many 15-letter words matching _____e________n are there?

21. 4 of them are common words.

What is a common example?

NONPRESCRIPTION is among the common words in this set.