torment vs oppress

torment is a noun but oppress is not a noun.

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

As verbs, oppress is a hyponym of torment; that is, oppress is a word with a more specific, narrower meaning than torment:

Other hyponyms of torment include madden, hamstring, badger, beleaguer, bug, pester, tease, persecute.

torment (noun)	oppress (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

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