10-Letter Words Matching _______IF_

There are 19 10-letter words that match _______IF_. 5 are common words, such as DECLASSIFY and DEHUMIDIFY. A rarer one is RESOLIDIFY. 6 words contain a doubled letter.

Full list 19

declassifydehumidifydisqualifyleitmotifsreclassifybumbailiffhippogriffovermodifypresignifysaccharifyspoondriftsubjectifycomplexifyframeshiftprecertifyprequalifyprespecifyreidentifyresolidify

About this list

Words
19 (5 common words)
Common example
declassify
Rare example
resolidify
Doubled letters
6
Ending in S
1

Questions

How many 10-letter words matching _______if_ are there?

19. 5 of them are common words.

What is a common example?

DECLASSIFY is among the common words in this set.