13-Letter Words Ending in EN

There are 21 13-letter words that end in EN. 8 are common words, such as ACETAMINOPHEN and ASSEMBLYWOMEN. A rarer one is TROPOCOLLAGEN. In this set, R is the most frequent open letter (16 words). 11 words contain a doubled letter.

Full list 21

acetaminophenassemblywomenbrainchildrenbusinesswomencongresswomengrandchildrenunderclassmenupperclassmennightwatchmenorthohydrogenprivateersmencoastguardmencounterbiddenhandcraftsmenlowerclassmenmilliroentgennoncarcinogenphytopathogensemievergreensupersalesmentropocollagen

About this list

Words
21 (8 common words)
Common example
acetaminophen
Rare example
tropocollagen
Doubled letters
11
Ending in S
0
Most frequent letter
R (16)

Questions

How many 13-letter words ending in en are there?

21. 8 of them are common words.

What is a common example?

ACETAMINOPHEN is among the common words in this set.