suffer vs sorrow

suffer is not a noun while sorrow is a noun.

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

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

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

suffer (noun)	sorrow (noun)
	something that causes great unhappiness
	an emotion of great sadness associated with loss or bereavement
	sadness associated with some wrong done or some disappointment
	the state of being sad

suffer (verb)	sorrow (verb)
be in pain	feel grief
undergo (as of injuries and illnesses)
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