15-Letter Words Matching ___F________I__

There are 17 15-letter words that match ___F________I__. 8 are common words, such as CONFECTIONERIES and CONFIDENTIALITY. A rarer one is TRIFLUOPERAZINE. 9 words contain a doubled letter.

Full list 17

confectioneriesconfidentialityconfraternitiesdifferentiatingdifferentiationprofessionalismprofessionalizeprofitabilitiesreafforestationconfectionariesconfessionalismconfessionalistineffaceabilitynonflammabilitypreferabilitiespreformationisttrifluoperazine

About this list

Words
17 (8 common words)
Common example
confectioneries
Rare example
trifluoperazine
Doubled letters
9
Ending in S
5

Questions

How many 15-letter words matching ___f________i__ are there?

17. 8 of them are common words.

What is a common example?

CONFECTIONERIES is among the common words in this set.