There are 25 words that start with 'jam'.
| jam | jamb | jams |
| jambe | jambs | jammy |
| jambed | jambes | jammed |
| jammer | jambeau | jambing |
| jamlike | jammers | jammier |
| jammies | jamming | jambeaux |
| jamboree | jammable | jammiest |
| jambalaya | jamborees | jampacked |
| jambalayas | ||
Note: These 25 words that start with 'jam' are found from the USA & Canada version of the tournament Scrabble word list.