15-Letter Words Starting With F

There are 57 15-letter words that start with F. 20 are common words, such as FACETIOUSNESSES and FAITHLESSNESSES. A rarer one is FUTILITARIANISM. In this set, S is the most frequent open letter (52 words). 34 words contain a doubled letter.

Full list 57

Common words

facetiousnessesfaithlessnessesfamiliarizationfaultlessnessesfeatherbeddingsfederalizationsferociousnessesflibbertigibbetflirtatiousnessfoolhardinessesforesightednessforgetfulnesses
facetiousnessesfaithlessnessesfamiliarizationfaultlessnessesfeatherbeddingsfederalizationsferociousnessesflibbertigibbetflirtatiousnessfoolhardinessesforesightednessforgetfulnessesfortunetellingsfractiousnessesfraternizationsfrightfulnessesfrivolousnessesfruitlessnessesfundamentalismsfundamentalistsfantasticalnessfashionablenessfavorablenessesferromagnetismsfideicommissaryforeordinationsformidabilitiesforthcomingnessfranchisabilityfructificationsfugaciousnessesfunctionalitiesfanaticalnessesfantasticationsfatheadednessesfeatherstitchedfeatherstitchesfeloniousnessesfencelessnessesferrimagnetismsferromanganesesfetishisticallyfibrinopeptidesfictionizationsfilterabilitiesfingerprintingsfissiparousnessfloriculturistsfloriferousnessforgivingnessesformularizationfortunatenessesfractionalizingfragmentarinessfrenchificationfunctionalisticfutilitarianism

About this list

Words
57 (20 common words)
Common example
facetiousnesses
Rare example
futilitarianism
Doubled letters
34
Ending in S
46
Most frequent letter
S (52)

Questions

How many 15-letter words starting with f are there?

57. 20 of them are common words.

What is a common example?

FACETIOUSNESSES is among the common words in this set.