(1)弱智
包括各种形式的智力低弱，但并不一定表示无行为能力。

(2)弱占有；弱保有
例如租借土地保有〔leasehold〕弱于土地自由保有〔freehold〕。

• real(-)estate agent
• real estate and rental guide
• real(-)estate broker
• real estate broker's lien
• real estate contract
• real estate corporation
• Real Estate Investment Act
• real(-)estate investment trust/REIT
• real estate listing
• real-estate-mortgage investment conduit/REMIC
• real-estate mortgage trust/REMT
• real-estate partnership
• real-estate pool
• Real Estate Settlement Procedures Act of 1974/RESPA
• real estate syndicate
• real estate tax
• real evidence
• real fixture
• re aliena
• realignment
• real income
• real injury
• reality of laws
• realization account
• realize