词根词缀：-or; -our (primarily British)

【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：stipul-

【来源及含义】Latin: to demand a formal promise, to bargain; to arrive an an agreement; to compromise

【同源单词】prestipulate, prestipulation, stipulate, stipulated, stipulated authority, stipulated damages