shoe collar vs lip

shoe collar and lip both are nouns.

Word	Noun	Adjective	Verb	Adverb
shoe collar	Yes	No	No	No
lip	Yes	No	No	No

As nouns, lip is a hypernym of shoe collar; that is, lip is a word with a broader meaning than shoe collar:

Other hypernyms of shoe collar include brim, rim.

shoe collar (noun)	lip (noun)
the stitching that forms the rim of a shoe or boot	either the outer margin or the inner margin of the aperture of a gastropod's shell
	the top edge of a vessel or other container
	either of two fleshy folds of tissue that surround the mouth and play a role in speaking
	an impudent or insolent rejoinder
	(botany) either of the two parts of a bilabiate corolla or calyx