There are 16 words that start with 'loat'.
| loath | loathe | 
| loathed | loather | 
| loathes | loathly | 
| loathers | loathful | 
| loathing | loathings | 
| loathness | loathsome | 
| loathnesses | loathsomely | 
| loathsomeness | loathsomenesses | 
Note: These 16 words that start with 'loat' are found from the USA & Canada version of the tournament Scrabble word list.