There are 12 13-letter words that start with 'fu'.
| fulsomenesses | functionalism |
| functionalist | functionality |
| functionaries | fundamentally |
| fungibilities | furazolidones |
| furtivenesses | futilitarians |
| futurological | futurologists |
Note: These 12 13-letter words that start with 'fu' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with fur, fun, ful, fus, fum, fut, fug, fuc, fuz, fue, fud, fub, fuh, fuj.
3-letter words start with 'fu' (5)