oppress vs torment

oppress is not a noun while torment is a noun.

Word	Noun	Adjective	Verb	Adverb
oppress	No	No	Yes	No
torment	Yes	No	Yes	No

As verbs, torment is a hypernym of oppress; that is, torment is a word with a broader meaning than oppress:

Other hypernyms of oppress include bedevil, crucify, dun, frustrate, rag.

oppress (noun)	torment (noun)
	the act of harassing someone
	a severe affliction
	intense feelings of suffering; acute mental or physical pain
	extreme mental distress
	a feeling of intense annoyance caused by being tormented
	unbearable physical pain

oppress (verb)	torment (verb)
come down on or keep down by unjust use of one's authority	subject to torture
cause to suffer	torment emotionally or mentally
	treat cruelly