Can a domestic feline mate with a raccoon?
No, it is genetically impossible. They are two distinct species from two distinct families.
Breed is a term used with domestic animals, such as dogs, cats, cattle. Raccoons have species and subspecies. There are 2, possibly three, species of raccoon:Northern (or common) raccoon Crab eating raccoon Cozumel Raccoon - some consider this a subspecies of the common raccoon. There are about 22 subspecies recognized. Click on this link to view the list.
Feline is to cat as serpent is to snake. The terms 'feline' and 'serpent' come from Linnean taxonomy. Domestic cats belong to the taxonomic subfamily Felinae of the family Felidae (true cats, including Lions, Tigers, etc.) Members of the Felinae subfamily also include the lynx, cougar, and cheetah, among others. Snakes belong to the suborder Serpentes of the order Squamata (scaled reptiles).