There are 10 words that start with 'gastru'.
| gastrula | gastrulae |
| gastrular | gastrulas |
| gastrulate | gastrulated |
| gastrulates | gastrulating |
| gastrulation | gastrulations |
Note: These 10 words that start with 'gastru' are found from the USA & Canada version of the tournament Scrabble word list.