There are 14 words that start with 'melio'.
| meliorate | meliorism | meliorist |
| meliorated | meliorates | meliorator |
| meliorisms | meliorists | meliorating |
| melioration | meliorative | meliorators |
| melioristic | meliorations | |
Note: These 14 words that start with 'melio' are found from the USA & Canada version of the tournament Scrabble word list.