corrupt vs impair

corrupt is an adjective but impair is not an adjective.

Word	Noun	Adjective	Verb	Adverb
corrupt	No	Yes	Yes	No
impair	No	No	Yes	No

As verbs, impair is a hypernym of corrupt; that is, impair is a word with a broader meaning than corrupt:

Other hypernyms of corrupt include deflower, mar, spoil, vitiate.

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

corrupt (verb)	impair (verb)
alter from the original	make worse or less effective
place under suspicion or cast doubt upon	make imperfect
make illegal payments to in exchange for favors or influence
corrupt morally or by intemperance or sensuality