| historic / historical | historic 有历史意义的;historical 历史(上)的 | a historic moment 划时代时刻 | A historic summit; a historical novel. |
| imaginary / imaginative | imaginary 虚构的、想象中的;imaginative 富有想象力的 | 描述对象:物虚构,人有才 | An imaginary friend; an imaginative designer. |
| imitate / intimidate / intimate | imitate 模仿;intimidate 恐吓;intimate 亲密的、私下暗示 | be intimidated into 被吓唬得 | Toddlers imitate adults; bullies intimidate others. |
| impose / expose / oppose | impose 强加、征税;expose 暴露;oppose 反对 | impose sth on sb;be opposed to | New taxes were imposed; unions opposed the plan. |
| industrial / industrious | industrial 工业的;industrious 勤奋的 | -ious 表人的品质 | Industrial output; an industrious student. |
| ingenious / ingenuous | ingenious 巧妙的、天才的;ingenuous 天真的、坦率的 | 差一个 u,意思反转 | An ingenious solution; an ingenuous reply. |
| late / lately / later / latter | late 晚的、已故的;lately 最近;later 后来;latter 后者 | the latter 与 the former 对举 | He arrived late; the latter proposal won. |
| lose / loose | lose 丢失(动词);loose 松的(形容词) | loose 也可作动词"释放" | Don't lose the key; a loose button. |
| moral / morale | moral 道德的、寓意;morale 士气 | morale 不可数,指群体士气 | A moral dilemma; team morale is high. |
| notable / noticeable | notable 值得注意的、显著的(人物);noticeable 明显的、易察觉的 | notable 常修饰人事;noticeable 修饰变化 | A notable scholar; a noticeable improvement. |
| personal / personnel | personal 个人的;personnel 员工(总称)、人事部 | personnel 复数概念,无单数 | Personal opinion; medical personnel. |
| perspective / prospective | perspective 视角、前景;prospective 预期的、潜在的 | prospective buyers 潜在买家 | From a historical perspective; prospective clients. |
| precede / proceed | precede 在……之前;proceed 继续进行 | pre- 前;pro- 向前推进 | A silence preceded the speech; proceed with the plan. |
| preserve / persevere | preserve 保存、保护;persevere 坚持不懈 | persevere with/in | We preserve archives; researchers persevere despite setbacks. |
| price / prize / praise | price 价格;prize 奖品、珍视(动词);praise 表扬 | prize 作动词 = 高度重视 | The price rose; she prized accuracy above speed. |
| principal / principle | principal 主要的、校长、本金;principle 原则 | "校长是主要的人"记 pal | The principal reason; a matter of principle. |
| profit / prophet | profit 利润、受益;prophet 先知 | ph 发 /f/ | Firms profit from innovation. |
| practical / practicable | practical 实际的、实用的;practicable 可行的 | practicable 只谈"行得通" | Practical advice; a practicable route. |
| popular / populous | popular 受欢迎的、流行的;populous 人口稠密的 | populous 修饰地区 | A popular resort; a populous province. |
| quality / qualify | quality 质量、优质的;qualify(使)合格、限定 | qualify as 取得资格 | Product quality; qualify as a lawyer. |