词根词缀：cred-, credit-, creed-

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

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

【同源单词】accredit, accreditation, accredited, accrediting, Carpe diem, concredit

词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity