bastardise vs corrupt

bastardise is not an adjective while corrupt is an adjective.

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

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

bastardise: change something so that its value declines; for example, art forms
corrupt: corrupt morally or by intemperance or sensuality

Other hypernyms of bastardise include debase, debauch, demoralise, demoralize, deprave, misdirect, pervert, profane, subvert, vitiate.

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

bastardise (verb)	corrupt (verb)
declare a child to be illegitimate	alter from the original
change something so that its value declines; for example, art forms	place under suspicion or cast doubt upon
	make illegal payments to in exchange for favors or influence
	corrupt morally or by intemperance or sensuality