united vs amalgamate

united and amalgamate both are adjectives.

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

united (adjective)	amalgamate (adjective)
characterized by unity; being or joined into a single entity	joined together into a whole
of or relating to two people who are married to each other
involving the joint activity of two or more

united (verb)	amalgamate (verb)
	to bring or combine together or with something else