As a proper noun confederacy is
(historical) the informal name for the , the collection of american states that seceded from the united states in 1861, and fought against the union in the american civil war.
federacy
Not English
Federacy has no English definition. It may be misspelled.
English words similar to 'federacy':
futarchy
confederacy
English
Alternative forms
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Noun
(confederacies)
an alliance