nutcracker vs compound lever

nutcracker and compound lever both are nouns.

Word	Noun	Adjective	Verb	Adverb
nutcracker	Yes	No	No	No
compound lever	Yes	No	No	No

As nouns, compound lever is a hypernym of nutcracker; that is, compound lever is a word with a broader meaning than nutcracker:

nutcracker (noun)	compound lever (noun)
speckled birds that feed on nuts	a pair of levers hinged at the fulcrum
any of various small short-tailed songbirds with strong feet and a sharp beak that feed on small nuts and insects
a compound lever used to crack nuts open