grow vs feather

grow is not a noun while feather is a noun.

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

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

grow: come to have or undergo a change of (physical features and attributes)
feather: grow feathers

Other hyponyms of grow include fledge, regrow, spring, sprout, stock, stool, tiller, leaf, pod, teethe, pupate, get up, work up, cut.

grow (noun)	feather (noun)
	turning an oar parallel to the water between pulls
	branching, hair-like structure that grows on the bodies of birds

grow (verb)	feather (verb)
come to have or undergo a change of (physical features and attributes)	grow feathers
become larger, greater, or bigger; expand or gain	turn the oar, while rowing
cause to grow or develop	turn the paddle; in canoeing
increase in size by natural process	cover or fit with feathers
pass into a condition gradually, take on a specific property or attribute; become	join tongue and groove, in carpentry
develop and reach maturity; undergo maturation
grow emotionally or mature
become attached by or as if by the process of growth
cultivate by growing, often involving improvements by means of agricultural techniques
come into existence; take on form or shape