enslavement vs subjugation

enslavement and subjugation both are nouns.

Word	Noun	Adjective	Verb	Adverb
enslavement	Yes	No	No	No
subjugation	Yes	No	No	No

As nouns, subjugation is a hypernym of enslavement; that is, subjugation is a word with a broader meaning than enslavement:

Other hypernyms of enslavement include subjection.

enslavement (noun)	subjugation (noun)
the act of making slaves of your captives	the act of conquering
the state of being a slave	the act of subjugating by cruelty
	forced submission to control by others