contingency vs dependence

contingency and dependence both are nouns.

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

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

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

Other hypernyms of contingency include dependance, dependency.

contingency (noun)	dependence (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)