neckwarmer

As a verb warm

is .

As a noun neckwarmer is

a piece of clothing to keep the neck warm.

As nouns the difference between neck and neckwarmer

is that neck is the part of body connecting the head and the trunk found in humans and some animals while neckwarmer is a piece of clothing to keep the neck warm.

As a verb neck

is to hang by the neck; strangle; kill, eliminate.