corrupt vs buy off

corrupt is an adjective but buy off is not an adjective.

Word	Noun	Adjective	Verb	Adverb
corrupt	No	Yes	Yes	No
buy off	No	No	Yes	No

As verbs, buy off is a hyponym of corrupt; that is, buy off is a word with a more specific, narrower meaning than corrupt:

Other hyponyms of corrupt include sop, pay off.

corrupt (adjective)	buy off (adjective)
lacking in integrity
not straight; dishonest or immoral or evasive
containing errors or alterations
touched by rot or decay

corrupt (verb)	buy off (verb)
alter from the original	pay someone with influence in order to receive a favor
place under suspicion or cast doubt upon
make illegal payments to in exchange for favors or influence
corrupt morally or by intemperance or sensuality