harvest vs reap

harvest is a noun but reap is not a noun.

Word	Noun	Adjective	Verb	Adverb
harvest	Yes	No	Yes	No
reap	No	No	Yes	No

As verbs, harvest and reap are synonyms defined as:

Other synonyms of harvest include glean.

harvest (noun)	reap (noun)
the season for gathering crops
the gathering of a ripened crop
the consequence of an effort or activity
the yield from plants in a single growing season

harvest (verb)	reap (verb)
remove from a culture or a living or dead body, as for the purposes of transplantation	gather, as of natural products
gather, as of natural products	get or derive