There are 11 words that start with 'frug'.
| frug | frugs | frugal | 
| frugged | frugally | frugging | 
| frugality | frugivore | frugivores | 
| frugalities | frugivorous | |
Note: These 11 words that start with 'frug' are found from the USA & Canada version of the tournament Scrabble word list.