-acy

1. a suffix of nouns of quality, state, office, etc., many of which accompany adjectives ending in -acious or nouns or adjectives ending in -ate: fallacy; papacy; legacy; delicacy; piracy.

Word History and Origins

Origin of -acy¹

< Latin -ācia, -ātia (spelling interchangeably in Medieval Latin, reflecting the Rom merger of the forms); these are in turn complexes of -āc- and -āt- -ate ¹ + -ia -y ³. -cracy

Example Sentences

The village of Acy, high on the hill above the road to Venizel, was the richest hunting-ground.

From Project Gutenberg

I should like to devote a generous percentage to the use of the Confed'acy.

From Project Gutenberg

At this moment a loud booming of cannon is heard in the direction of May-en-Multien, Acy.

From Project Gutenberg