There are 21 words that start with 'grid'.
| grid | gride | grids |
| grided | grides | gridded |
| gridder | griddle | griding |
| gridders | griddled | griddles |
| gridiron | gridlock | griddling |
| gridirons | gridlocks | gridironed |
| gridlocked | gridironing | gridlocking |
Note: These 21 words that start with 'grid' are found from the USA & Canada version of the tournament Scrabble word list.