There are 29 4-letter words that start with 'fl'.
| flab | flag | flak | flam | flan |
| flap | flat | flaw | flax | flay |
| flea | fled | flee | flew | flex |
| fley | flic | flip | flir | flit |
| floc | floe | flog | flop | flow |
| flub | flue | flus | flux | |
Note: These 29 4-letter words that start with 'fl' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with fla, flo, flu, fle, fli, fly.
3-letter words start with 'fl' (2)