conglomerate vs accumulate

conglomerate is a noun but accumulate is not a noun.

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

As verbs, conglomerate and accumulate are synonyms defined as:

conglomerate and accumulate: increase in amount by collecting or gathering

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

conglomerate (noun)	accumulate (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

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

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