direct vs address

direct is not a noun while address is a noun.

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

As verbs, direct and address are synonyms defined as:

As verbs, address is a hyponym of direct; that is, address is a word with a more specific, narrower meaning than direct:

Other hyponyms of direct include home in, range in, zero in.

direct (noun)	address (noun)
	the ability to do or say what is appropriate for the occasion
	the stance assumed by a golfer in preparation for hitting a golf ball
	the act of delivering a formal spoken communication to an audience
	a sign in front of a house or business carrying the conventional form by which its location is described
	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

direct (adjective)	address (adjective)
direct in spatial dimensions; proceeding without deviation or interruption; straight and short
(of a current) flowing in one direction only
straightforward in means or manner or behavior or language or action
similar in nature or effect or relation to another quantity
in a straight unbroken line of descent from parent to child
moving from west to east on the celestial sphere; or--for planets--around the sun in the same direction as the Earth
lacking compromising or mitigating elements
in precisely the same words used by a writer or speaker
having no intervening persons, agents, conditions
being an immediate result or consequence

direct (verb)	address (verb)
plan and direct (a complex undertaking)	adjust and aim (a golf ball) at in preparation of hitting
specifically design a product, event, or activity for a certain public	speak to
command with authority	speak to someone
give directions to; point somebody into a certain direction	give a speech to
put an address on (an envelope)	put an address on (an envelope)
point or cause to go (blows, weapons, or objects such as photographic equipment) towards	act on verbally or in some form of artistic expression
intend (something) to move towards a certain goal	direct a question at someone
guide the actors in (plays and films)	address or apply oneself to something, direct one's efforts towards something, such as a question
lead, as in the performance of a composition	access or locate by address
take somebody somewhere	greet, as with a prescribed form, title, or name
cause to go somewhere
direct the course; determine the direction of travelling
govern or manage

direct (adverb)	address (adverb)
without deviation