dependent upon vs dependant on

dependent upon and dependant on both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dependent upon	No	Yes	No	No
dependant on	No	Yes	No	No

As adjectives, dependent upon and dependant on are synonyms defined as:

dependent upon and dependant on: being determined by conditions or circumstances that follow

Other synonyms of dependent upon include contingent, contingent on, contingent upon, dependant upon, dependent on, depending on.

dependent upon (adjective)	dependant on (adjective)
being determined by conditions or circumstances that follow	being determined by conditions or circumstances that follow