agony vs torment

agony and torment both are nouns.

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

As nouns, agony and torment are synonyms defined as:

agony and torment: intense feelings of suffering; acute mental or physical pain

Other synonyms of agony include torture.

agony (noun)	torment (noun)
intense feelings of suffering; acute mental or physical pain	the act of harassing someone
a state of acute pain	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

agony (verb)	torment (verb)
	subject to torture
	torment emotionally or mentally
	treat cruelly