cui bono? /kī or kwē bōˈnō, or kooˈē boˈnō/

1. For whose benefit or advantage is it?
2. Who is the gainer?

• buttress-thread
• buttress-threads
• butts
• butt-shaft
• butt-shafts
• butt-ugly
• butt welding
• butty
• butty-collier
• butty-colliers
• butty-gang
• butty-gangs
• buttyman
• butut
• bututs
• but what
• butyl
• butyl alcohol
• butylene
• butylenes
• butyl rubber
• butyls
• butyraceous
• butyrate
• butyrates