There are 15 words that start with 'locat'.
| locate | located | locater | 
| locates | locator | locaters | 
| locating | location | locative | 
| locators | locatable | locations | 
| locatives | locational | locationally | 
Note: These 15 words that start with 'locat' are found from the USA & Canada version of the tournament Scrabble word list.