loafer：二流子，游手好闲者

词源不详，可能来自loaf,面包，引申含义饱食终日，游手好闲。

• faction
• factionalism
• factionary
• factitious
• factitive
• factoid
• factor
• factorial
• factory
• factotum
• factual
• factum
• facture
• faculty
• fad
• faddy
• fade
• fader
• faff
• fag
• faggot
• fag hag
• fah
• Fahrenheit
• fail