suffer vs crack up

suffer and crack up both are verbs.

Word	Noun	Adjective	Verb	Adverb
suffer	No	No	Yes	No
crack up	No	No	Yes	No

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

Other hyponyms of suffer include break down, collapse, cramp, break up, collapse, crack, crock up, stress.

suffer (verb)	crack up (verb)
be in pain	laugh unrestrainedly
undergo (as of injuries and illnesses)	rhapsodize about
feel unwell or uncomfortable	suffer a nervous breakdown
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