magnify vs increase

magnify is not a noun while increase is a noun.

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

As verbs, increase is a hypernym of magnify; that is, increase is a word with a broader meaning than magnify:

magnify (noun)	increase (noun)
	the act of increasing something
	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

magnify (verb)	increase (verb)
increase in size, volume or significance	become bigger or greater in amount
make large	make bigger or more
to enlarge beyond bounds or the truth