1) Area below the hairline 2) Area shaved by a barber 3) Area under a necklace clasp 4) Back end 5) Back of neck 6) Back of the neck 7) Back side of the neck 8) Backside 9) Barbered spot 10) Barbering area 11) Barbering spot 12) Chignon locale 13) Chignon setting 14) Chignon spot 15) Collar neighbor 1) Nucha 2) Scruff 
the back of the neck (Morris 1992)
• (n.) The back part of the neck. • (n.) The back part of the neck.
The back of the neck.
area behind the back of the head, extending from the back of the skull to the dorsal fin origin. 
National Association for Primary Education
National Association of Physicians for the Environment
(nāp) the back of the neck; called also nucha.
The area along the back between the head and the dorsal fin.
The back of the head, including the hindneck, just below the hindcrown.
Back of neck.
the back of a bird
Nape noun [ Perh. akin to knap a knop.] The back part of the neck. Spenser. 
back of the bird's neck.
Back of neck
The back of the neck
An area located between the base of the back of the head and above the wings.
(hindneck) dorsal feathering of the neck, bound by the throat and upper breast. These feathers extend over the base of the back feathers. 
scruff noun the back side of the neck
Also called the hindneck or collar, it is the back of the neck where the head joins the body.
The area at the back of the neck at the base of the skull where the bottom of the wig fits against the head.
Where the base of the neck meets the hairline
the back of the neck (usually used in the phrase nape of the neck).
The area at the back of the neck that is located just below the base of the Occipital bone.