fuse vs grow together

fuse is a noun but grow together is not a noun.

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

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

Other hyponyms of fuse include gauge, absorb, meld, melt, blend in, mix in, accrete, conjugate, admix, alloy, syncretise, syncretize.

fuse (noun)	grow together (noun)
any igniter that is used to initiate the burning of a propellant
an electrical device that can interrupt the flow of electrical current when it is overloaded

fuse (verb)	grow together (verb)
mix together different elements	grow together (of plants and organs)
make liquid or plastic by heating
become plastic or fluid or liquefied from heat
equip with a fuse; provide with a fuse