read vs reader

read and reader both are nouns.

Word	Noun	Adjective	Verb	Adverb
read	Yes	No	Yes	No
reader	Yes	No	No	No

read (noun)	reader (noun)
something that is read	one of a series of texts for students learning to read
	a person who enjoys reading
	a public lecturer at certain universities
	someone who contracts to receive and pay for a service or a certain number of issues of a publication
	a person who can read; a literate person
	someone who reads proof in order to find errors and mark corrections
	someone who reads manuscripts and judges their suitability for publication
	someone who reads the lessons in a church service; someone ordained in a minor order of the Roman Catholic Church

read (verb)	reader (verb)
interpret something that is written or printed
look at, interpret, and say out loud something that is written or printed
interpret the significance of, as of palms, tea leaves, intestines, the sky; also of human behavior
make sense of a language
be a student of a certain subject
obtain data from magnetic tapes or other digital sources
to hear and understand
interpret something in a certain way; convey a particular meaning or impression
indicate a certain reading; of gauges and instruments
audition for a stage role by reading parts of a role
have or contain a certain wording or form