pinch bar vs lever

pinch bar and lever both are nouns.

Word	Noun	Adjective	Verb	Adverb
pinch bar	Yes	No	No	No
lever	Yes	No	Yes	No

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

pinch bar: a lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels
lever: a rigid bar pivoted about a fulcrum

pinch bar (noun)	lever (noun)
a lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels	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

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