recover vs regress

recover is not a noun while regress is a noun.

Word	Noun	Adjective	Verb	Adverb
recover	No	No	Yes	No
regress	Yes	No	Yes	No

As verbs, regress is a hypernym of recover; that is, regress is a word with a broader meaning than recover:

Other hypernyms of recover include retrovert, return, revert, turn back.

recover (noun)	regress (noun)
	returning to a former state
	the reasoning involved when you assume the conclusion is true and reason backward to the evidence

recover (verb)	regress (verb)
get over an illness or shock	go back to bad behavior
regain a former condition after a financial loss	get worse or fall back to a previous condition
get or find back; recover the use of	go back to a previous state
regain or make up for	go back to a statistical means
reuse (materials from waste products)
cover anew