There are 16 words that start with 'embol'.
| emboli | emboly | 
| embolic | embolus | 
| embolden | embolies | 
| embolism | emboldens | 
| embolisms | emboldened | 
| embolismic | emboldening | 
| embolectomy | embolization | 
| embolectomies | embolizations | 
Note: These 16 words that start with 'embol' are found from the USA & Canada version of the tournament Scrabble word list.