pain vs anguish

pain and anguish both are nouns.

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

As verbs, pain and anguish are synonyms defined as:

Other synonyms of pain include hurt.

pain (noun)	anguish (noun)
a somatic sensation of acute discomfort	extreme mental distress
something or someone that causes trouble; a source of unhappiness	extreme distress of body or mind
emotional distress; a fundamental feeling that people try to avoid
a symptom of some physical hurt or disorder

pain (verb)	anguish (verb)
cause bodily suffering to and make sick or indisposed	cause emotional anguish or make miserable
cause emotional anguish or make miserable	suffer great pains or distress