There are 13 words that start with 'incub'.
| incubi | incubus | incubate |
| incubated | incubates | incubator |
| incubuses | incubating | incubation |
| incubative | incubators | incubatory |
| incubations | ||
Note: These 13 words that start with 'incub' are found from the USA & Canada version of the tournament Scrabble word list.