As nouns the difference between twilly and scarf
is that twilly
is a machine for cleansing]] or loosening wool by the action of a revolving cylinder covered with long iron spikes or [[tooth|teeth; a willying machine while 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.
As a verb 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.