There are 14 words that start with 'fabu'.
| fabular | fabulate |
| fabulist | fabulous |
| fabulated | fabulates |
| fabulator | fabulists |
| fabulating | fabulators |
| fabulistic | fabulously |
| fabulousness | fabulousnesses |
Note: These 14 words that start with 'fabu' are found from the USA & Canada version of the tournament Scrabble word list.