encourage vs nurture

encourage is not a noun while nurture is a noun.

Word	Noun	Adjective	Verb	Adverb
encourage	No	No	Yes	No
nurture	Yes	No	Yes	No

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

encourage (noun)	nurture (noun)
	helping someone grow up to be an accepted member of the community
	the properties acquired as a consequence of the way you were treated as a child

encourage (verb)	nurture (verb)
spur on	help develop, help grow
inspire with confidence; give hope or courage to	provide with nourishment
contribute to the progress or growth of	look after a child until it is an adult