15-Letter Words Matching F_____________S

There are 46 15-letter words that match F_____________S. 18 are common words, such as FACETIOUSNESSES and FAITHLESSNESSES. A rarer one is FRAGMENTARINESS. 31 words contain a doubled letter.

Full list 46

Common words

facetiousnessesfaithlessnessesfaultlessnessesfeatherbeddingsfederalizationsferociousnessesflirtatiousnessfoolhardinessesforesightednessforgetfulnessesfortunetellingsfractiousnesses
facetiousnessesfaithlessnessesfaultlessnessesfeatherbeddingsfederalizationsferociousnessesflirtatiousnessfoolhardinessesforesightednessforgetfulnessesfortunetellingsfractiousnessesfraternizationsfrightfulnessesfrivolousnessesfruitlessnessesfundamentalismsfundamentalistsfantasticalnessfashionablenessfavorablenessesferromagnetismsforeordinationsformidabilitiesforthcomingnessfructificationsfugaciousnessesfunctionalitiesfanaticalnessesfantasticationsfatheadednessesfeatherstitchesfeloniousnessesfencelessnessesferrimagnetismsferromanganesesfibrinopeptidesfictionizationsfilterabilitiesfingerprintingsfissiparousnessfloriculturistsfloriferousnessforgivingnessesfortunatenessesfragmentariness

About this list

Words
46 (18 common words)
Common example
facetiousnesses
Rare example
fragmentariness
Doubled letters
31
Ending in S
46

Questions

How many 15-letter words matching f_____________s are there?

46. 18 of them are common words.

What is a common example?

FACETIOUSNESSES is among the common words in this set.