dehumanization vs debasement

dehumanization and debasement both are nouns.

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

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

dehumanization: the act of degrading people with respect to their best qualities
debasement: changing to a lower state (a less respected state)

Other hypernyms of dehumanization include degradation.

dehumanization (noun)	debasement (noun)
the act of degrading people with respect to their best qualities	changing to a lower state (a less respected state)
	being mixed with extraneous material; the product of adulterating