accumulate vs conglomerate

accumulate is not a noun while conglomerate is a noun.

Word	Noun	Adjective	Verb	Adverb
accumulate	No	No	Yes	No
conglomerate	Yes	Yes	Yes	No

As verbs, accumulate and conglomerate are synonyms defined as:

accumulate and conglomerate: increase in amount by collecting or gathering

Other synonyms of accumulate include amass, cumulate, gather, pile up.

accumulate (noun)	conglomerate (noun)
	a group of diverse companies under common ownership and run as a single organization
	a composite rock made up of particles of varying size

accumulate (adjective)	conglomerate (adjective)
	composed of heterogeneous elements gathered into a mass

accumulate (verb)	conglomerate (verb)
increase in amount by collecting or gathering	increase in amount by collecting or gathering
get or gather together