词根：-fid-

【词根含义】：信任

【词根来源】：来源于拉丁语名词fides, fidei, f(信任)或动词fido, fidere, fisus, sum(信任)。

【同源单词】：confidant, confide, confidence, confident, confidential

前缀：con-

【词根含义】：共同,一起;加强意义

【词根来源】：用于c, d, f, g, j, n, q, s, t, v前,com-的变体。

【同源单词】：concave, conceal, concede, conceit, conceited

词根词缀：-al, -ial, -eal

【来源及含义】Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of

【同源单词】abacterial, abdominal, abdominal adhesion, abdominal aorta, abdominal aortic aneurysm, abdominal aortography

词根词缀：fid-, fidel-

【来源及含义】Latin: believe, belief; trust, faith, true

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "faith, trust; faithful, trusting; believe, belief": cred-; dox-.

【同源单词】Ab origine fidelis, Ad finem fidelis, Adeste, affiance, affiance, affiant