词根词缀：nul-, null-, nulli-

【来源及含义】Latin: not one, not any, none, nothing

【同源单词】Aliquis in omnibus, annul, annullable, annulment, Fortuna multis dat nimis, Fortuna obesse nulli contenta est semel

词根词缀：second-, secund-, secundi-

【来源及含义】Latin: second, following

【同源单词】deuteripara, Magnus opus, nulli secundus, second, secondarily, secondary