conglomerate vs cumulate

conglomerate is a noun but cumulate is not a noun.

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

As verbs, conglomerate and cumulate are synonyms defined as:

conglomerate and cumulate: increase in amount by collecting or gathering

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

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

conglomerate (verb)	cumulate (verb)
increase in amount by collecting or gathering	increase in amount by collecting or gathering