There are 11 words that start with 'formi'.
| formic | formica |
| forming | formicas |
| formicary | formidable |
| formidably | formicaries |
| formidability | formidableness |
| formidabilities | |
Note: These 11 words that start with 'formi' are found from the USA & Canada version of the tournament Scrabble word list.