nurture vs keep going

nurture is a noun but keep going is not a noun.

Word	Noun	Adjective	Verb	Adverb
nurture	Yes	No	Yes	No
keep going	No	No	Yes	No

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

Other hyponyms of nurture include patronage, patronise, patronize, support, serve, serve well.

nurture (noun)	keep going (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

nurture (verb)	keep going (verb)
help develop, help grow	be a regular customer or client of
provide with nourishment	suffice for a period between two points
look after a child until it is an adult	continue uninterrupted