ridicule vs laugh at

ridicule is a noun but laugh at is not a noun.

Word	Noun	Adjective	Verb	Adverb
ridicule	Yes	No	Yes	No
laugh at	No	No	Yes	No

As verbs, ridicule and laugh at are synonyms defined as:

Other synonyms of ridicule include blackguard, guy, jest at, make fun, poke fun, rib, roast.

ridicule (noun)	laugh at (noun)
the act of deriding or treating with contempt
language or behavior intended to mock or humiliate

ridicule (verb)	laugh at (verb)
subject to laughter or ridicule	subject to laughter or ridicule