assortment：搭配，分类   

词根词缀：as-加强意义 +sort分类 + -ment名词词尾

• outvote
• outward
• outwards
• outweigh
• outwit
• outworn
• ouzo
• ov-
• oval
• ovarian
• ovariectomy
• ovaritis
• ovary
• ovate
• ovation
• oven
• ovenproof
• over
• over-
• overachieve
• overact
• overactive
• overall
• overambitious
• overarching