grow together vs blend

grow together is not a noun while blend is a noun.

Word	Noun	Adjective	Verb	Adverb
grow together	No	No	Yes	No
blend	Yes	No	Yes	No

As verbs, blend is a hypernym of grow together; that is, blend is a word with a broader meaning than grow together:

Other hypernyms of grow together include coalesce, combine, commingle, conflate, flux, fuse, immix, meld, merge, mix.

grow together (noun)	blend (noun)
	the act of blending components together thoroughly
	a new word formed by joining two others and combining their meanings
	an occurrence of thorough mixing

grow together (verb)	blend (verb)
grow together (of plants and organs)	mix together different elements
	combine into one
	blend or harmonize