recede vs regress

recede is not a noun while regress is a noun.

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

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

Other hypernyms of recede include retrograde, retrogress.

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

recede (verb)	regress (verb)
become faint or more distant	go back to bad behavior
retreat	get worse or fall back to a previous condition
pull back or move away or backward	go back to a previous state
	go back to a statistical means