词根词缀：caut-

【来源及含义】Latin: wary, careful, heedful; be on one's guard, to take heed; from cavere, to look out, to beware

【同源单词】cautel, cautela, cautelous, cautelously, cautio, cautio usufructuaria

词根词缀：us-, ut-

【来源及含义】Latin: use, employ, practice

【同源单词】Ab abusu ad usum non valet consequentia, abuse, abuse, abuse, abusive, abusively