torture vs pain

torture and pain both are nouns.

Word	Noun	Adjective	Verb	Adverb
torture	Yes	No	Yes	No
pain	Yes	No	Yes	No

As nouns, pain is a hypernym of torture; that is, pain is a word with a broader meaning than torture:

Other hypernyms of torture include hurting.

As verbs, pain is a hypernym of torture; that is, pain is a word with a broader meaning than torture:

Other hypernyms of torture include anguish, hurt.

torture (noun)	pain (noun)
the deliberate, systematic, or wanton infliction of physical or mental suffering by one or more persons in an attempt to force another person to yield information or to make a confession or for any other reason	a somatic sensation of acute discomfort
the act of distorting something so it seems to mean something it was not intended to mean	something or someone that causes trouble; a source of unhappiness
intense feelings of suffering; acute mental or physical pain	emotional distress; a fundamental feeling that people try to avoid
extreme mental distress	a symptom of some physical hurt or disorder
unbearable physical pain

torture (verb)	pain (verb)
subject to torture	cause bodily suffering to and make sick or indisposed
torment emotionally or mentally	cause emotional anguish or make miserable