abrasion：磨去，擦伤，剥蚀，起皮

词根词缀：ab-分离 + -ras-擦,刮 + -ion名词词尾

• regnant
• regress
• regression
• regressive
• regret
• regretful
• regrettable
• regroup
• regular
• regularity
• regularize
• regulate
• regulation
• regulator
• regulatory
• rehabilitate
• rehash
• rehear
• rehearse
• reify
• reign
• reignite
• reiki
• reimburse
• rein