Jishi, also called chishi, (land taxes under the Ritsuryo system) referred to the land rent which feudal lords imposed on rice fields, fields (for fruits, vegetables, etc.), mountains and forest, salt fields, or residential areas from ancient and medieval periods to the early-modern times.
地子（じし/ちし）とは、日本の古代・中世から近世にかけて、領主が田地・畠地・山林・塩田・屋敷地などへ賦課した地代を指す。