13-Letter Words Containing DEF

There are 23 13-letter words that contain DEF. 8 are common words, such as DEFECTIVENESS and DEFENSELESSLY. A rarer one is NONDEFERRABLE. In this set, N is the most frequent open letter (19 words). 8 words contain a doubled letter.

Full list 23

defectivenessdefenselesslydefensivenessdeferentiallydeforestationindefatigableindefatigablyredefinitionsdefenestrateddefensibilitydefibrillatoroverdefensivedefeasibilitydefenestratesdefervescencedefibrillateddefibrillatesdefibrinatingdefibrinationdeflagrationsdeformalizingdeformationalnondeferrable

About this list

Words
23 (8 common words)
Common example
defectiveness
Rare example
nondeferrable
Doubled letters
8
Ending in S
6
Most frequent letter
N (19)

Questions

How many 13-letter words containing def are there?

23. 8 of them are common words.

What is a common example?

DEFECTIVENESS is among the common words in this set.