bastardisation vs debasement

bastardisation and debasement both are nouns.

Word	Noun	Adjective	Verb	Adverb
bastardisation	Yes	No	No	No
debasement	Yes	No	No	No

As nouns, debasement is a hypernym of bastardisation; that is, debasement is a word with a broader meaning than bastardisation:

Other hypernyms of bastardisation include degradation.

bastardisation (noun)	debasement (noun)
an act that debases or corrupts	changing to a lower state (a less respected state)
	being mixed with extraneous material; the product of adulterating