bribe vs buy

bribe and buy both are nouns.

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

As verbs, bribe and buy are synonyms defined as:

bribe and buy: make illegal payments to in exchange for favors or influence

Other synonyms of bribe include corrupt, grease one's palms.

bribe (noun)	buy (noun)
payment made to a person in a position of trust to corrupt his judgment	an advantageous purchase

bribe (verb)	buy (verb)
make illegal payments to in exchange for favors or influence	accept as true
	obtain by purchase; acquire by means of a financial transaction
	make illegal payments to in exchange for favors or influence
	acquire by trade or sacrifice or exchange
	be worth or be capable of buying