amalgamate vs blend

amalgamate is not a noun while blend is a noun.

Word	Noun	Adjective	Verb	Adverb
amalgamate	No	Yes	Yes	No
blend	Yes	No	Yes	No

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

Other hyponyms of amalgamate include aggregate, combine, concoct, combine, compound, immingle, intermingle, intermix.

amalgamate (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

amalgamate (adjective)	blend (adjective)
joined together into a whole

amalgamate (verb)	blend (verb)
to bring or combine together or with something else	mix together different elements
	combine into one
	blend or harmonize