hinge on vs depend upon

hinge on and depend upon both are verbs.

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

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

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

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