词根：tru = true, 表示“相信, 真实”

truth n. 事实，真理

truce n. 休战，停战（相信对方而停战）

truism n. 不言自明的真理

distrust v. 不信，猜疑（dis不+trust）

entrust v. 委托；相信（en给予+trust→给予相信→委托）

词根词缀：reciproc-

【来源及含义】Latin: reciprocus, turning back the same way, alternating; turning backward and forward; to give, to do, to feel, or to show in return

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; allo-; alter-; allelo-; hetero-; mut-; poikilo-; vari-.

【同源单词】reciprocal, reciprocal altruism, reciprocal cross, reciprocal determination, reciprocal hybrids, reciprocal inhibition