increase vs accruement

increase and accruement both are nouns.

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

As nouns, accruement is a hyponym of increase; that is, accruement is a word with a more specific, narrower meaning than increase:

increase (noun)	accruement (noun)
the act of increasing something	the act of accumulating
the amount by which something increases
a change resulting in an increase
a process of becoming larger or longer or more numerous or more important
a quantity that is added

increase (verb)	accruement (verb)
become bigger or greater in amount
make bigger or more