rectifier vs rectify

rectifier is a noun but rectify is not a noun.

Word	Noun	Adjective	Verb	Adverb
rectifier	Yes	No	No	No
rectify	No	No	Yes	No

rectifier (noun)	rectify (noun)
electrical device that transforms alternating into direct current
a person who corrects or sets right

rectifier (verb)	rectify (verb)
	set straight or right
	make right or correct
	reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
	convert into direct current
	bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one
	determine the length of