12-Letter Words Matching _________E_N

There are 14 12-letter words that match _________E_N. 6 are common words, such as NEUROSURGEON and NORTHEASTERN. A rarer one is SUPERSURGEON. 1 words contain a doubled letter.

Full list 14

neurosurgeonnortheasternnorthwesternsoutheasternsouthwesternsubterraneanflavoproteinglucoproteinglycoproteininescutcheonlactoproteinproboscideaninternucleonsupersurgeon

About this list

Words
14 (6 common words)
Common example
neurosurgeon
Rare example
supersurgeon
Doubled letters
1
Ending in S
0

Questions

How many 12-letter words matching _________e_n are there?

14. 6 of them are common words.

What is a common example?

NEUROSURGEON is among the common words in this set.