13-Letter Words Matching D__F_________

There are 18 13-letter words that match D__F_________. 8 are common words, such as DIFFERENTIALS and DIFFERENTIATE. A rarer one is DRAFTSPERSONS. 9 words contain a doubled letter.

Full list 18

differentialsdifferentiatediffusenessesdisfigurementdisfranchiseddisfranchisesdraftsmanshipdysfunctionaldifferentnessdisfigurationdieffenbachiadiffusionismsdiffusionistsdiffusivenessdiffusivitiesdisfunctionaldisfurnishingdraftspersons

About this list

Words
18 (8 common words)
Common example
differentials
Rare example
draftspersons
Doubled letters
9
Ending in S
9

Questions

How many 13-letter words matching d__f_________ are there?

18. 8 of them are common words.

What is a common example?

DIFFERENTIALS is among the common words in this set.