sociability：好交际，社交性，善于交际 

词根词缀： -soci-联合 + -ability名词词尾

• cumulative
• cumulonimbus
• cumulus
• cuneiform
• cunnilingus
• cunning
• cunt
• cup
• cupboard
• Cupid
• cupidity
• cupola
• cupping
• cur
• curable
• curacao
• curacy
• curate
• curative
• curator
• curb
• curd
• curdle
• cure
• curfew