letter vs address

letter and address both are nouns.

Word	Noun	Adjective	Verb	Adverb
letter	Yes	No	Yes	No
address	Yes	No	Yes	No

letter (noun)	address (noun)
a written message addressed to a person or organization	the ability to do or say what is appropriate for the occasion
the conventional characters of the alphabet used to represent speech	the stance assumed by a golfer in preparation for hitting a golf ball
an award earned by participation in a school sport	the act of delivering a formal spoken communication to an audience
a strictly literal interpretation (as distinct from the intention)	a sign in front of a house or business carrying the conventional form by which its location is described
owner who lets another person use something (housing usually) for hire	written directions for finding some location; written on letters or packages that are to be delivered to that location
	the manner of speaking to another individual
	(computer science) the code that identifies where a piece of information is stored
	the place where a person or organization can be found or communicated with

letter (verb)	address (verb)
mark letters on or mark with letters	adjust and aim (a golf ball) at in preparation of hitting
set down or print with letters	speak to
win an athletic letter	speak to someone
	give a speech to
	put an address on (an envelope)
	act on verbally or in some form of artistic expression
	direct a question at someone
	address or apply oneself to something, direct one's efforts towards something, such as a question
	access or locate by address
	greet, as with a prescribed form, title, or name