Surname :: Surmulot (n.) The brown, or Norway, rat..
Surname :: Surname (n.) A name or appellation which is added to, or over and above, the baptismal or Christian name, and becomes a family name..
Surnamed :: Surname (n.) An appellation added to the original name; an agnomen.
Surnominal :: Surname (v. t.) To name or call by an appellation added to the original name; to give a surname to.