Mammoth Uncensored Word List:
40 - 14 letter words starting with fa

fablemongering fabulousnesses facelessnesses facinorousness factiousnesses factitiousness factorisations factorizations faintheartedly faintishnesses faithfulnesses fallaciousness falliblenesses falseheartedly falsifiability falsifications familiarnesses fancifulnesses fantasticality fantasticating fantastication farcicalnesses farfetchedness farsightedness farthingsworth fasciculations fashionability fashionmongers fashionmonging fashiousnesses fastconducting fastidiousness fatalistically fatherlessness fatherlinesses fathomlessness fatigabilities fatiguableness favourableness favourednesses