As nouns the difference between scarf and neck
is that
scarf is a long, often knitted, garment worn around the neck or
scarf can be a type of joint in woodworking or
scarf can be (scotland) a cormorant while
neck is the part of body connecting the head and the trunk found in humans and some animals.
As verbs the difference between scarf and neck
is that
scarf is to throw on loosely; to put on like a scarf or
scarf can be to shape by grinding or
scarf can be (transitive|us|slang) to eat very quickly while
neck is to hang by the neck; strangle; kill, eliminate.