There are 19 words that start with 'canno'.
| cannon | cannot | 
| cannoli | cannons | 
| cannolis | cannoned | 
| cannonry | cannonade | 
| cannoneer | cannoning | 
| cannonaded | cannonades | 
| cannonball | cannoneers | 
| cannonries | cannonading | 
| cannonballs | cannonballed | 
| cannonballing | |
Note: These 19 words that start with 'canno' are found from the USA & Canada version of the tournament Scrabble word list.