deposition vs accumulation

deposition and accumulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
deposition	Yes	No	No	No
accumulation	Yes	No	No	No

As nouns, accumulation is a hypernym of deposition; that is, accumulation is a word with a broader meaning than deposition:

Other hypernyms of deposition include accretion.

deposition (noun)	accumulation (noun)
the act of deposing someone; removing a powerful person from a position or office	the act of accumulating
the act of putting something somewhere	several things grouped together or considered as a whole
(law) a pretrial interrogation of a witness; usually conducted in a lawyer's office	(finance) profits that are not paid out as dividends but are added to the capital base of the corporation
the natural process of laying down a deposit of something	an increase by natural growth or addition