There are 20 7-letter words that start with 'mer'.
| mercers | mercery | merches | mercies |
| mercury | mergees | mergers | merging |
| merinos | merises | merisis | merited |
| merlins | merlons | merlots | mermaid |
| meropia | meropic | merrier | merrily |
Note: These 20 7-letter words that start with 'mer' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with merc, meri, merr, merg, mero, merl, mere, merm, merb, merd, merk.
4-letter words start with 'mer' (4)