derisive vs mocking

derisive and mocking both are adjectives.

Word	Noun	Adjective	Verb	Adverb
derisive	No	Yes	No	No
mocking	No	Yes	No	No

As adjectives, derisive and mocking are synonyms defined as:

Other synonyms of derisive include gibelike, jeering, taunting.

derisive (adjective)	mocking (adjective)
abusing vocally; expressing contempt or ridicule	abusing vocally; expressing contempt or ridicule
	playfully vexing (especially by ridicule)