neck vs neck bone

neck and neck bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
neck	Yes	No	Yes	No
neck bone	Yes	No	No	No

neck (noun)	neck bone (noun)
an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck	one of 7 vertebrae in the human spine located in the neck region
a narrow part of an artifact that resembles a neck in position or form
the part of an organism (human or animal) that connects the head to the rest of the body
a cut of meat from the neck of an animal
a narrow elongated projecting strip of land

neck (verb)	neck bone (verb)
kiss, embrace, or fondle with sexual passion