passer：过路人，旅客；考试及格者；传球者

词根词缀： -pass-走,通过 + -er名词词尾

• ovule
• ovum
• owe
• owing
• owl
• owlet
• own
• owner
• ownership
• own goal
• owt
• ox
• oxbow
• Oxbridge
• Oxford
• oxidant
• oxide
• oxidize
• Oxon
• Oxonian
• oxtail
• oxter
• oxy-
• oxyacetylene
• oxyacid