There are 19 words that start with 'tribu'.
| tribune | tribute | tribunal |
| tribunes | tributes | tribulate |
| tribunals | tribunary | tribunate |
| tributary | tribulated | tribulates |
| tribunates | tribulating | tribulation |
| tribuneship | tributaries | tribulations |
| tribuneships | ||
Note: These 19 words that start with 'tribu' are found from the USA & Canada version of the tournament Scrabble word list.