Estancia is a Spanish word which means a large farm or ranch. There are various synonyms for this word that one can use based on the context and meaning intended. An alternate term for Estancia is Hacienda which also refers to a large plantation or ranch. The word Ranch is a more commonly used synonym for Estancia, especially in Western countries like the United States. Finca is another synonym that is used to describe a farm or estate that is used for agricultural purposes such as farming or livestock rearing. Another word that can be used as a synonym of Estancia is Plantation, which refers to large farms or estates where crops like tea, coffee, or sugar cane are grown for commercial purposes.