mocker vs jeerer

mocker and jeerer both are nouns.

Word	Noun	Adjective	Verb	Adverb
mocker	Yes	No	No	No
jeerer	Yes	No	No	No

As nouns, mocker and jeerer are synonyms defined as:

mocker and jeerer: someone who jeers or mocks or treats something with contempt or calls out in derision

Other synonyms of mocker include flouter, scoffer.

mocker (noun)	jeerer (noun)
long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds	someone who jeers or mocks or treats something with contempt or calls out in derision
someone who jeers or mocks or treats something with contempt or calls out in derision