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

词根词缀：-or; -our

【来源及含义】Latin: a suffix; state of, result of; he who, that which

【同源单词】abdicator, abductor, ablator, acanthor, accelerator, adductor

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