accruement vs accumulation

accruement and accumulation both are nouns.

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

As nouns, accruement and accumulation are synonyms defined as:

Other synonyms of accruement include accrual.

accruement (noun)	accumulation (noun)
the act of accumulating	the act of accumulating
	several things grouped together or considered as a whole
	(finance) profits that are not paid out as dividends but are added to the capital base of the corporation
	an increase by natural growth or addition