repression vs subjugation

repression and subjugation both are nouns.

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

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

Other hypernyms of repression include subjection.

repression (noun)	subjugation (noun)
the act of repressing; control by holding down	the act of conquering
(psychiatry) the classical defense mechanism that protects you from impulses or ideas that would cause anxiety by preventing them from becoming conscious	the act of subjugating by cruelty
a state of forcible subjugation	forced submission to control by others