articulate vs cast

articulate is not a noun while cast is a noun.

Word	Noun	Adjective	Verb	Adverb
articulate	No	Yes	Yes	No
cast	Yes	No	Yes	No

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

Other hyponyms of articulate include ask, lexicalise, lexicalize, dogmatise, dogmatize, formularise, formularize, couch, frame, put, redact.

articulate (noun)	cast (noun)
	the act of throwing dice
	the act of throwing a fishing line out over the water by means of a rod and reel
	a violent throw
	object formed by a mold
	bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
	container into which liquid is poured to create a given shape when it hardens
	the visual appearance of something or someone
	the actors in a play
	the distinctive form in which a thing is made

articulate (adjective)	cast (adjective)
expressing yourself easily or characterized by clear expressive language
consisting of segments held together by joints

articulate (verb)	cast (verb)
speak, pronounce, or utter in a certain way	eject the contents of the stomach through the mouth
express or state clearly	formulate in a particular style or language
put into words or an expression	choose at random
provide with a joint	throw forcefully
unite by forming a joint or joints	to remove
	form by pouring (e.g., wax or hot metal) into a cast or mold
	select to play,sing, or dance a part in a play, movie, musical, opera, or ballet
	put or send forth
	move about aimlessly or without any destination, often in search of food or employment
	deposit
	assign the roles of (a movie or a play) to actors