return vs lapse

return and lapse both are nouns.

Word	Noun	Adjective	Verb	Adverb
return	Yes	No	Yes	No
lapse	Yes	No	Yes	No

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

Other hyponyms of return include fall back, recidivate, regress, relapse, retrogress, resile, go back, recover, recuperate.

return (noun)	lapse (noun)
the act of going back to a prior location	a mistake resulting from inattention
a coming to or returning home	a failure to maintain a higher state
getting something back again	a break or intermission in the occurrence of something
a tennis stroke that sends the ball back to the other player
(American football) the act of running back the ball after a kickoff or punt or interception or fumble
a reciprocal group action
the act of someone appearing again
the key on electric typewriters or computer keyboards that causes a carriage return and a line feed
document giving the tax collector information about the taxpayer's tax liability
a quick reply to a question or remark (especially a witty or critical one)
happening again (especially at regular intervals)
the occurrence of a change in direction back in the opposite direction
the income or profit arising from such transactions as the sale of land or other property

return (verb)	lapse (verb)
go back to a previous state	go back to bad behavior
be restored	drop to a lower level, as in one's morals or standards
go back to something earlier	end, at least for a long time
answer back	for time to move forward
submit (a report, etc.) to someone in authority	pass into a specified state or condition; sink into
pass down	let slip
make a return
give or supply
go or come back to place, condition, or activity where one has been before
return to a previous position; in mathematics
bring back to the point of departure
pay back
return in kind
give back
be inherited by
elect again