hassle vs torment

hassle and torment both are nouns.

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

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

Other hyponyms of hassle include goad, needle, bedevil, crucify, dun, frustrate, rag, haze.

hassle (noun)	torment (noun)
disorderly fighting	the act of harassing someone
an angry disturbance	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

hassle (verb)	torment (verb)
annoy continually or chronically	subject to torture
	torment emotionally or mentally
	treat cruelly