grow vs keep

grow is not a noun while keep is a noun.

Word	Noun	Adjective	Verb	Adverb
grow	No	No	Yes	No
keep	Yes	No	Yes	No

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

grow: cultivate by growing, often involving improvements by means of agricultural techniques
keep: to rear

Other hyponyms of grow include carry, overproduce.

grow (noun)	keep (noun)
	the main tower within the walls of a medieval castle or fortress
	a cell in a jail or prison
	the financial means whereby one lives

grow (verb)	keep (verb)
come to have or undergo a change of (physical features and attributes)	prevent (food) from rotting
become larger, greater, or bigger; expand or gain	prevent the action or expression of
cause to grow or develop	stick to correctly or closely
increase in size by natural process	maintain by writing regular records
pass into a condition gradually, take on a specific property or attribute; become	supply with necessities and support
develop and reach maturity; undergo maturation	hold and prevent from leaving
grow emotionally or mature	retain possession of
become attached by or as if by the process of growth	look after; be the keeper of; have charge of
cultivate by growing, often involving improvements by means of agricultural techniques	retain rights to
come into existence; take on form or shape	maintain for use and service
	have as a supply
	store or keep customarily
	stop (someone or something) from doing something or being in a certain state
	allow to remain in a place or position or maintain a property or feature
	conform one's action or practice to
	behave as expected during of holidays or rites
	cause to continue in a certain state, position, or activity
	supply with room and board
	maintain in safety from injury, harm, or danger
	fail to spoil or rot
	continue a certain state, condition, or activity
	to rear