dependant upon vs dependent upon

dependant upon and dependent upon both are adjectives.

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

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

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

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

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