There are 5 15-letter words that start with 'fu'.
| functionalistic | functionalities |
| fundamentalisms | fundamentalists |
| futilitarianism | |
Note: These 5 15-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)