assortment：搭配，分类   

词根词缀：as-加强意义 +sort分类 + -ment名词词尾

• resonate
• resort
• resound
• resource
• resourceful
• respect
• respectable
• respected
• respecter
• respectful
• respecting
• respective
• respectively
• respiration
• respire
• respirometer
• respite
• resplendent
• respond
• respondent
• response
• responsibility
• responsible
• responsive
• respray