turtleneck vs jersey

turtleneck and jersey both are nouns.

Word	Noun	Adjective	Verb	Adverb
turtleneck	Yes	No	No	No
jersey	Yes	No	No	No

As nouns, jersey is a hypernym of turtleneck; that is, jersey is a word with a broader meaning than turtleneck:

Other hypernyms of turtleneck include T-shirt, tee shirt, jumper, sweater.

turtleneck (noun)	jersey (noun)
a sweater or jersey with a high close-fitting collar	a slightly elastic machine-knit fabric
	a close-fitting pullover shirt