词根：-spond-, -spons-

【词根含义】：允诺,约定

【词根来源】：来源于拉丁语动词spondeo, spondere, spopondi, sponsus(允诺,约定)。

【同源单词】：correspond, correspondence, correspondent, corresponding, respond

前缀：cor-

【词根含义】：共同;加强意义

【词根来源】：用于r前,com-的变体。

【同源单词】：correct, correction, correctly, correlate, correlation

前缀：re-

【词根含义】：再,重复;回,向后;相反,反对;离开

【同源单词】：arrest, correlate, correlation, correspond, correspondence

词根词缀：spond-, spon-, spons-, -spondence, -spondent,-spondency, -spondencies

【来源及含义】Latin: to bind oneself; to pledge; to promise solemnly; to adopt and support a cause

【同源单词】correspond, correspondence, correspondent, correspondent, correspondently, correspondingly