Webster’s Revised Unabridged Dictionary · 1913
Dependant
De·pend′ant (·ant), De·pend′ance (·ans), n., De·pend′an·cy (·an·sy̆), n. See Dependent, Dependence, Dependency.
☞ The forms dependant, dependance, dependancy are from the French; the forms dependent, etc., are from the Latin. Some authorities give preference to the form dependant when the word is a noun, thus distinguishing it from the adjective, usually written dependent.