suffix forming nouns of state or quality (accuracy; piracy; supremacy), or an instance of it (conspiracy; fallacy) (see also -CRACY). [a branch of the suffix -CY from or after F -acie or L -acia or -atia or Gk -ateia]
-ACY
Meaning of -ACY in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012