-ancy

From Latin -antia, -entia, with influence from French -ance, French -ancie, Spanish -ancia, etc.

-ancy

1. Added to verbs and adjectives to form nouns conveying a condition or quality associated with the verb.

   ‎buoyant + ‎-ancy → ‎buoyancy

   ‎ascendant + ‎-ancy → ‎ascendancy

   ‎expect + ‎-ancy → ‎expectancy

• -ance

• cany, cyan, cyan-