词根词缀：neg-, ne-

【来源及含义】Latin: no, not; to refuse, to nullify; to deny

【同源单词】abnegate, abnegation, abnegator, bionegativity, denegation, deniable

词根词缀：oti-, otio-

【来源及含义】Latin: leisure, at leisure; at ease; idle

【同源单词】negotiability, negotiable, negotiate, negotiation, negotiatrix, non-negotiable