There are 16 words that start with 'cannon'.
| cannon | cannons |
| cannoned | cannonry |
| cannonade | cannoneer |
| cannoning | cannonaded |
| cannonades | cannonball |
| cannoneers | cannonries |
| cannonading | cannonballs |
| cannonballed | cannonballing |
Note: These 16 words that start with 'cannon' are found from the USA & Canada version of the tournament Scrabble word list.