(1)姻亲
指婚姻当事人及其亲属因婚姻的缔结而形成的关系。由此词衍生了「affinity」一词。其单数形式「affinis」可用于表示边界、参与者等意，如「affinis culpae」就表示犯罪的帮助者或知情者。

(2)邻人
指拥有或占有毗邻土地的人。

• interspousal transfers
• interstate
• interstate agreements
• interstate and foreign commerce
• interstate commerce
• Interstate Commerce Act
• interstate commerce clause
• Interstate Commerce Commission
• interstate compact
• interstate extradition
• interstate ferry
• interstate free pass
• interstate highway
• Interstate Land Sales Full Disclosure Act
• interstate law
• interstate rendition
• interstate surface water
• interstate traffic
• interstate watercourse
• inter-temporal international law
• interterritorial
• intertiare
• interurban
• interval
• intervallo