12-Letter Words Matching F_________N_

There are 56 12-letter words that match F_________N_. 30 are common words, such as FABRICATIONS and FACILITATING. A rarer one is FUSTIGATIONS. In this set, I is the most frequent open letter (54 words). 12 words contain a doubled letter.

Full list 56

Common words

fabricationsfacilitatingfacsimileingfascinationsfaultfindingfecundationsfederalizingfelicitatingfibrillatingfirefightingfireproofingflagellating
fabricationsfacilitatingfacsimileingfascinationsfaultfindingfecundationsfederalizingfelicitatingfibrillatingfirefightingfireproofingflagellatingflimflammingfluctuationsfluoridatingfomentationsforeshortensforestallingforestationsforeswearingforgatheringformulationsfornicationsfraternizingfreestandingfreethinkingfreewheelingfricasseeingfrustrationsfulminationsfebrifacientflocculatingfluoresceinsfluviomarinefootsloggingformicationsfrogmarchingfanaticizingfetoproteinsfibronectinsfictionizingfimbriationsflowchartingfluegelhornsfluorinatingfluphenazinefootfaultingforecheckingforereachingforespeakingforetokeningfrenchifyingfucoxanthinsfulgurationsfurazolidonefustigations

About this list

Words
56 (30 common words)
Common example
fabrications
Rare example
fustigations
Doubled letters
12
Ending in S
20
Most frequent letter
I (54)

Questions

How many 12-letter words matching f_________n_ are there?

56. 30 of them are common words.

What is a common example?

FABRICATIONS is among the common words in this set.