12-Letter Words Matching F______O____

There are 15 12-letter words that match F______O____. 10 are common words, such as FALLACIOUSLY and FASTIDIOUSLY. A rarer one is FULIGINOUSLY. 4 words contain a doubled letter.

Full list 15

fallaciouslyfastidiouslyfelicitouslyfictitiouslyfingerboardsfireproofingflameproofedfortuitouslyfuturologiesfuturologistfactitiouslyflagitiouslyflavoproteinflameprooferfuliginously

About this list

Words
15 (10 common words)
Common example
fallaciously
Rare example
fuliginously
Doubled letters
4
Ending in S
2

Questions

How many 12-letter words matching f______o____ are there?

15. 10 of them are common words.

What is a common example?

FALLACIOUSLY is among the common words in this set.