There are 14 words that start with 'mercer'.
| mercer | mercers |
| mercery | merceries |
| mercerise | mercerize |
| mercerised | mercerises |
| mercerized | mercerizes |
| mercerising | mercerizing |
| mercerization | mercerizations |
Note: These 14 words that start with 'mercer' are found from the USA & Canada version of the tournament Scrabble word list.