upsilon：希腊字母表的第20个字母

来自希腊语u psilon, 即仅u音，比较epsilon.

• coterminous
• cottage
• cottaging
• cotton
• couch
• cougar
• cough
• could
• coulis
• coulomb
• council
• councilor
• counsel
• counselor
• count
• count
• countdown
• countenance
• counter
• counteract
• counteragent
• counter-attack
• counterbalance
• counterblast
• counterclaim