12-Letter Words Starting With FI

There are 48 12-letter words that start with FI. 21 are common words, such as FIBERGLASSES and FIBRILLATING. A rarer one is FISSIONABLES. In this set, I is the most frequent open letter (36 words). 19 words contain a doubled letter.

Full list 48

Common words

fiberglassesfibrillatingfibrillationficklenessesfictionalizefictitiouslyfiddlesticksfieldworkersfiercenessesfigurativelyfilibusteredfilibusterer
fiberglassesfibrillatingfibrillationficklenessesfictionalizefictitiouslyfiddlesticksfieldworkersfiercenessesfigurativelyfilibusteredfilibustererfilthinessesfinalizationfingerboardsfingerprintsfirecrackersfirefightersfirefightingfireproofingfitfulnessesfibrilliformfibrinolysesfibrinolysinfibrinolysisfiendishnessfingerstallsfinitenessesfirebombingsfirelightersfissirostralfianchettoedfiberglassedfiberizationfibreglassesfibrinolyticfibroblasticfibronectinsfibrosarcomafibrositidesfibrositisesfictionalisefictionalityfictionizingfilmsettingsfimbriationsfingerpickedfissionables

About this list

Words
48 (21 common words)
Common example
fiberglasses
Rare example
fissionables
Doubled letters
19
Ending in S
25
Most frequent letter
I (36)

Questions

How many 12-letter words starting with fi are there?

48. 21 of them are common words.

What is a common example?

FIBERGLASSES is among the common words in this set.