There are 13 words that start with 'syncop'.
| syncope | syncopal | syncopes | 
| syncopic | syncopate | syncopated | 
| syncopates | syncopator | syncopating | 
| syncopation | syncopative | syncopators | 
| syncopations | ||
Note: These 13 words that start with 'syncop' are found from the USA & Canada version of the tournament Scrabble word list.