torture vs excruciate

torture is a noun but excruciate is not a noun.

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

As verbs, torture and excruciate are synonyms defined as:

Other synonyms of torture include torment.

As verbs, torture and excruciate are synonyms defined as:

Other synonyms of torture include rack, torment.

torture (noun)	excruciate (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
the act of distorting something so it seems to mean something it was not intended to mean
intense feelings of suffering; acute mental or physical pain
extreme mental distress
unbearable physical pain

torture (verb)	excruciate (verb)
subject to torture	subject to torture
torment emotionally or mentally	torment emotionally or mentally