10-Letter Words Matching ________F_

There are 64 10-letter words that match ________F_. 25 are common words, such as BOMBPROOFS and CRANKSHAFT. A rarer one is WATERLEAFS. In this set, S is the most frequent open letter (47 words). 29 words contain a doubled letter.

Full list 64

Common words

bombproofscrankshaftdeclassifydehumidifydisbeliefsdisqualifydissatisfyfireproofsfisticuffsflagstaffsfoodstuffshandicraft
bombproofscrankshaftdeclassifydehumidifydisbeliefsdisqualifydissatisfyfireproofsfisticuffsflagstaffsfoodstuffshandicraftheatproofshovercraftleitmotifspikestaffsplaintiffsreclassifyrustproofsspacecraftstagecraftstatecraftwaitstaffswatercraftwitchcraftaftershaftbreadstuffbumbailiffchiffchaffcrossruffsdriveshaftfeedstuffshippogriffmothproofsovermodifyoverstuffspresignifysaccharifyspoondriftstroganoffsubjectifyswordcraftundercroftcomplexifycowlstaffscreampuffsframeshiftgreenstuffintergraftmisbeliefsnonbeliefsoverstaffsprecertifyprequalifyprespecifyreidentifyresolidifyrotorcraftscoutcraftsemidwarfsshandygafftradecraftturboshaftwaterleafs

About this list

Words
64 (25 common words)
Common example
bombproofs
Rare example
waterleafs
Doubled letters
29
Ending in S
23
Most frequent letter
S (47)

Questions

How many 10-letter words matching ________f_ are there?

64. 25 of them are common words.

What is a common example?

BOMBPROOFS is among the common words in this set.