mockery vs derision

mockery and derision both are nouns.

Word	Noun	Adjective	Verb	Adverb
mockery	Yes	No	No	No
derision	Yes	No	No	No

As nouns, derision is a hypernym of mockery; that is, derision is a word with a broader meaning than mockery:

mockery (noun)	derision (noun)
humorous or satirical mimicry	the act of deriding or treating with contempt
showing your contempt by derision	contemptuous laughter
a composition that imitates or misrepresents somebody's style, usually in a humorous way