There are 16 words that start with 'fumi'.
| fumier | fuming | fumiest |
| fumigant | fumigate | fumingly |
| fumitory | fumigants | fumigated |
| fumigates | fumigator | fumigating |
| fumigation | fumigators | fumitories |
| fumigations | ||
Note: These 16 words that start with 'fumi' are found from the USA & Canada version of the tournament Scrabble word list.