maraca vs percussive instrument

maraca and percussive instrument both are nouns.

Word	Noun	Adjective	Verb	Adverb
maraca	Yes	No	No	No
percussive instrument	Yes	No	No	No

As nouns, percussive instrument is a hypernym of maraca; that is, percussive instrument is a word with a broader meaning than maraca:

maraca: a percussion instrument consisting of a hollow gourd containing pebbles or beans; often played in pairs
percussive instrument: a musical instrument in which the sound is produced by one object striking another

Other hypernyms of maraca include percussion instrument.

maraca (noun)	percussive instrument (noun)
a percussion instrument consisting of a hollow gourd containing pebbles or beans; often played in pairs	a musical instrument in which the sound is produced by one object striking another