suffer vs anguish

suffer is not a noun while anguish is a noun.

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

As verbs, anguish is a hyponym of suffer; that is, anguish is a word with a more specific, narrower meaning than suffer:

Other hyponyms of suffer include agonise, agonize, lose, grieve, sorrow.

suffer (noun)	anguish (noun)
	extreme mental distress
	extreme distress of body or mind

suffer (verb)	anguish (verb)
be in pain	cause emotional anguish or make miserable
undergo (as of injuries and illnesses)	suffer great pains or distress
feel unwell or uncomfortable
get worse in quality
be set at a disadvantage
put up with something or somebody unpleasant
experience (emotional) pain
feel physical pain
undergo or be subjected to
undergo or suffer
be given to