contingency vs dependance

contingency and dependance both are nouns.

Word	Noun	Adjective	Verb	Adverb
contingency	Yes	No	No	No
dependance	Yes	No	No	No

As nouns, dependance is a hypernym of contingency; that is, dependance is a word with a broader meaning than contingency:

contingency: the state of being contingent on something
dependance: the state of relying on or being controlled by someone or something else

Other hypernyms of contingency include dependence, dependency.

contingency (noun)	dependance (noun)
a possible event or occurrence or result	the state of relying on or being controlled by someone or something else
the state of being contingent on something	being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)