compound lever vs lever

compound lever and lever both are nouns.

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

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

compound lever (noun)	lever (noun)
a pair of levers hinged at the fulcrum	a rigid bar pivoted about a fulcrum
	a flat metal tumbler in a lever lock
	a simple machine that gives a mechanical advantage when given a fulcrum

compound lever (verb)	lever (verb)
	to move or force, especially in an effort to get something open