Word not found in any official scrabble dictionaries.
"Acy" Definition
noun
A suffix of Latin or Greek origin, forming nouns of quality, state, condition, office, etc., from nouns in -ate (which becomes -ac-, the suffix being -ate changed to -ac-, + -y), as in primacy, curacy, advocacy, piracy, etc., or from adjectives in -acious, as in fallacy.
Source: Century Dictionary