dependent upon vs dependant upon

dependent upon and dependant upon both are adjectives.

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

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

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

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

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