There are 21 words that start with 'foa'.
| foal | foam | foals |
| foams | foamy | foaled |
| foamed | foamer | foaling |
| foamers | foamier | foamily |
| foaming | foamable | foamiest |
| foamless | foamlike | foaminess |
| foamflower | foamflowers | foaminesses |
Note: These 21 words that start with 'foa' are found from the USA & Canada version of the tournament Scrabble word list.