dependant vs dependent

dependant and dependent both are nouns.

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

As adjectives, dependant and dependent are synonyms defined as:

Other synonyms of dependant include drug-addicted, hooked, strung-out.

As adjectives, dependant and dependent are synonyms defined as:

Other synonyms of dependant include qualified.

As nouns, dependant and dependent are synonyms defined as:

dependant and dependent: a person who relies on another person for support (especially financial support)

dependant (noun)	dependent (noun)
a person who relies on another person for support (especially financial support)	a person who relies on another person for support (especially financial support)

dependant (adjective)	dependent (adjective)
addicted to a drug	relying on or requiring a person or thing for support, supply, or what is needed
contingent on something else	(of a clause) unable to stand alone syntactically as a complete sentence
	addicted to a drug
	contingent on something else
	being under the power or sovereignty of another or others
	held from above and hanging down