A couple that come to mind are:
Moss Moon Moose Midge Mollusk
Mouth is a human organ. It begins with the letter m.
Miley Cirus
Miller light Michelob ultra
myth
maotai
mocorrana
mesclun
Methane is a gas. It begins with the letter m.
myth
Maryland is an American state. It begins with the letter M.
Madonna
Molson is a popular beer brand from Canada. It begins with the letter M.
My Chemical Romance Metallica Meatloaf Megadeth
milk mojito maitai malt margarita martini manhattan mimosa milkshake mint julep mountain dew michelob beer malt liquor muscat
stones and minerals starting with M: * magma * marble * magnrtite * malachite * mica
Moronic is an insult. It begins with the letter m.