1. clothes, cloth, clothing
clothes 统指各种衣服，谓语动词永远是复数，cloth 指布，为不可数名词 clothing 服装的总称，指一件衣服用 a piece of, an article of
2. incident, accident
incident 指小事件, accident 指不幸的事故 He was killed in the accident.
3. amount, number
amount 后接不可数名词，number 后接可数名词 a number of students
4. family, house, home
home 家，包括住处和家人，house 房子，住宅，family 家庭成员。My family is a happy one.
5. sound, voice, noise
sound 自然界各种各样的声音，voice 人的嗓音，noise 噪音 I hate the loud noise outside.
6. photo, picture, drawing
photo 用照相机拍摄的照片，picture 可指相片，图片，电影片，drawing 画的画
