cost vs price

cost and price both are nouns.

Word	Noun	Adjective	Verb	Adverb
cost	Yes	No	Yes	No
price	Yes	No	Yes	No

As nouns, cost and price are synonyms defined as:

cost and price: the property of having material worth (often indicated by the amount of money something would bring if sold)

Other synonyms of cost include monetary value.

As nouns, cost and price are synonyms defined as:

cost and price: value measured by what must be given or done or undergone to obtain something

Other synonyms of cost include toll.

As nouns, price is a hyponym of cost; that is, price is a word with a more specific, narrower meaning than cost:

cost: the total spent for goods or services including money and time and labor
price: the amount of money needed to purchase something

cost (noun)	price (noun)
the property of having material worth (often indicated by the amount of money something would bring if sold)	the property of having material worth (often indicated by the amount of money something would bring if sold)
value measured by what must be given or done or undergone to obtain something	the high value or worth of something
the total spent for goods or services including money and time and labor	value measured by what must be given or done or undergone to obtain something
	a monetary reward for helping to catch a criminal
	the amount of money needed to purchase something
	cost of bribing someone

cost (verb)	price (verb)
be priced at	ascertain or learn the price of
require to lose, suffer, or sacrifice	determine the price of