13-Letter Words Containing FEN

There are 13 13-letter words that contain FEN. 5 are common words, such as DEFENSELESSLY and DEFENSIVENESS. A rarer one is FENCELESSNESS. In this set, S is the most frequent open letter (12 words). 8 words contain a doubled letter.

Full list 13

defenselesslydefensivenessfenestrationsinoffensivelyoffensivenessaffenpinscherdefenestrateddefensibilityoverdefensiveunoffensivelydefenestratesdieffenbachiafencelessness

About this list

Words
13 (5 common words)
Common example
defenselessly
Rare example
fencelessness
Doubled letters
8
Ending in S
5
Most frequent letter
S (12)

Questions

How many 13-letter words containing fen are there?

13. 5 of them are common words.

What is a common example?

DEFENSELESSLY is among the common words in this set.