There are 13 words that start with 'john'.
| john | johns |
| johnny | johnnie |
| johnson | johnboat |
| johnnies | johnsons |
| johnboats | johnnycake |
| johnnycakes | johnsongrass |
| johnsongrasses | |
Note: These 13 words that start with 'john' are found from the USA & Canada version of the tournament Scrabble word list.