There are 16 10-letter words that start with 'fan'.
| fanaticism | fanaticize | fancifully | 
| fancifying | fancyworks | fanfolding | 
| fantasised | fantasises | fantasists | 
| fantasized | fantasizer | fantasizes | 
| fantastico | fantastics | fantasying | 
| fantoccini | ||
Note: These 16 10-letter words that start with 'fan' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with fant, fanc, fana, fanf, fang, fane, fann, fand, fano, fanl, fanw, fani, fanj, fanu, fanz, fans.
4-letter words start with 'fan' (4)