There are 13 words that start with 'vagin'.
| vagina | vaginae | vaginal | 
| vaginas | vaginate | vaginally | 
| vaginated | vaginitis | vaginoses | 
| vaginosis | vaginismus | vaginitises | 
| vaginismuses | ||
Note: These 13 words that start with 'vagin' are found from the USA & Canada version of the tournament Scrabble word list.