The personalities of my parents were very different but at the same time they were a very compatible couple.

compatible 由前缀 com-（表示"共同"）和词根 pati（来自拉丁语 pati，意为"忍受、承受"）以及形容词后缀 -able（表示"能够...的"）组成。字面意思是"能够共同承受的"，引申为"相容的、合得来的"，指两个人或事物能够和谐相处、相互配合。