steal vs buy

steal and buy both are nouns.

Word	Noun	Adjective	Verb	Adverb
steal	Yes	No	Yes	No
buy	Yes	No	Yes	No

As nouns, steal and buy are synonyms defined as:

Other synonyms of steal include bargain.

steal (noun)	buy (noun)
a stolen base; an instance in which a base runner advances safely during the delivery of a pitch (without the help of a hit or walk or passed ball or wild pitch)	an advantageous purchase
an advantageous purchase

steal (verb)	buy (verb)
steal a base	accept as true
move stealthily	obtain by purchase; acquire by means of a financial transaction
take without the owner's consent	make illegal payments to in exchange for favors or influence
	acquire by trade or sacrifice or exchange
	be worth or be capable of buying