There are 15 14-letter words that start with 'fi'.
Note: These 15 14-letter words that start with 'fi' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with fil, fin, fir, fis, fib, fic, fid, fie, fig, fit, fix, fia, fif, fiz, fim, fio, fiv, fip, fiq.
3-letter words start with 'fi' (10)