There are 17 words that start with 'flop'.
| flop | flops | floppy |
| flopped | flopper | flopover |
| floppers | floppier | floppies |
| floppily | flopping | flophouse |
| flopovers | floppiest | flophouses |
| floppiness | floppinesses | |
Note: These 17 words that start with 'flop' are found from the USA & Canada version of the tournament Scrabble word list.