dependable vs good

dependable is not a noun while good is a noun.

Word	Noun	Adjective	Verb	Adverb
dependable	No	Yes	No	No
good	Yes	Yes	No	Yes

As adjectives, dependable and good are synonyms defined as:

Other synonyms of dependable include safe, secure.

dependable (noun)	good (noun)
	a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes
	benefit
	moral excellence or admirableness
	that which is pleasing or valuable or useful

dependable (adjective)	good (adjective)
worthy of reliance or trust	having desirable or positive qualities especially those suitable for a thing specified
financially safe	morally admirable
consistent in performance or behavior	promoting or enhancing well-being
worthy of being depended on	having the normally expected amount
	with or in a close or intimate relationship
	thorough
	generally admired
	resulting favorably
	not left to spoil
	not forged
	tending to promote physical well-being; beneficial to health
	in excellent physical condition
	appealing to the mind
	agreeable or pleasing
	exerting force or influence
	most suitable or right for a particular purpose
	capable of pleasing
	deserving of esteem and respect
	of moral excellence
	having or showing knowledge and skill and aptitude
	financially safe

dependable (adverb)	good (adverb)
	(often used as a combining form) in a good or proper or satisfactory manner or to a high standard (`good' is a nonstandard dialectal variant for `well')
	completely and absolutely (`good' is sometimes used informally for `thoroughly')