There are 11 words that start with 'hearts'.
| hearts | heartsick |
| heartsome | heartsore |
| heartsease | heartseases |
| heartsomely | heartstring |
| heartstrings | heartsickness |
| heartsicknesses | |
Note: These 11 words that start with 'hearts' are found from the USA & Canada version of the tournament Scrabble word list.