不動產的英語翻譯：

estate; freehold; real estate; realty
【經】 hereditament; immovable goods; immovable property
immovable real estate; immovables; property assets; real assets
real estate; real property; realty

契約的英語翻譯：

bargaining; bond; contract; covenant; deed; indent; indenture; obligation
pact; stipulation
【經】 agreement; agreements; bargain; compact; contract; deed; indenture
instrument; title deed