torment vs frustrate

torment is a noun but frustrate is not a noun.

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

As verbs, torment and frustrate are synonyms defined as:

Other synonyms of torment include bedevil, crucify, dun, rag.

torment (noun)	frustrate (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)	frustrate (verb)
subject to torture	treat cruelly
torment emotionally or mentally	hinder or prevent (the efforts, plans, or desires) of
treat cruelly