continue vs overlap

continue is not a noun while overlap is a noun.

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

As verbs, overlap is a hyponym of continue; that is, overlap is a word with a more specific, narrower meaning than continue:

Other hyponyms of continue include cross, span, sweep, traverse, sweep, overspread, spread, ridge, constellate, dot, stud.

continue (noun)	overlap (noun)
	a flap that lies over another part
	the property of partial coincidence in time
	a representation of common ground between theories or phenomena

continue (verb)	overlap (verb)
exist over a prolonged period of time	extend over and cover a part of
continue talking	coincide partially or wholly
move ahead; travel onward in time or space
allow to remain in a place or position or maintain a property or feature
keep or maintain in unaltered condition; cause to remain or last
continue a certain state, condition, or activity
span an interval of distance, space or time
continue in a place, position, or situation
continue after an interruption
do something repeatedly and showing no intention to stop