jest at vs ridicule

jest at is not a noun while ridicule is a noun.

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

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

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

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

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