increase vs decrease

increase and decrease both are nouns.

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

increase (noun)	decrease (noun)
the act of increasing something	the act of decreasing or reducing something
the amount by which something increases	the amount by which something decreases
a change resulting in an increase	a change downward
a process of becoming larger or longer or more numerous or more important	a process of becoming smaller or shorter
a quantity that is added

increase (verb)	decrease (verb)
become bigger or greater in amount	decrease in size, extent, or range
make bigger or more	make become smaller