depend upon vs hinge upon

depend upon and hinge upon both are verbs.

Word	Noun	Adjective	Verb	Adverb
depend upon	No	No	Yes	No
hinge upon	No	No	Yes	No

As verbs, depend upon and hinge upon are synonyms defined as:

Other synonyms of depend upon include depend on, devolve on, hinge on, ride, turn on.

depend upon (verb)	hinge upon (verb)
be contingent on	be contingent on
put trust in with confidence