lapel vs overlap

lapel and overlap both are nouns.

Word	Noun	Adjective	Verb	Adverb
lapel	Yes	No	No	No
overlap	Yes	No	Yes	No

As nouns, overlap is a hypernym of lapel; that is, overlap is a word with a broader meaning than lapel:

Other hypernyms of lapel include lap.

lapel (noun)	overlap (noun)
lap at the front of a coat; continuation of the coat collar	a flap that lies over another part
	the property of partial coincidence in time
	a representation of common ground between theories or phenomena

lapel (verb)	overlap (verb)
	extend over and cover a part of
	coincide partially or wholly