DEPENDANCE
dependence, dependance, dependency
(noun) the state of relying on or being controlled by someone or something else
addiction, dependence, dependance, dependency, habituation
(noun) being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
Source: WordNet® 3.1
Noun
dependance (countable and uncountable, plural dependances)
(archaic) dependence
Misspelling of dependence.
Source: Wiktionary
De*pend"ant, De*pend"ance, n., De*pend"an*cy, n.
Definition: See Dependent, Dependence, Dependency.
Note: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition