torment vs agony

torment and agony both are nouns.

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

As nouns, torment and agony are synonyms defined as:

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

Other synonyms of torment include torture.

torment (noun)	agony (noun)
the act of harassing someone	intense feelings of suffering; acute mental or physical pain
a severe affliction	a state of acute pain
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)	agony (verb)
subject to torture
torment emotionally or mentally
treat cruelly