Nemesis /nemˈi-sis/ (Gr myth)

1. The Greek goddess of retribution
2. (without cap) retributive justice
3. Something that cannot be achieved
4. A rival or opponent who cannot be beaten

• upwelling
• upwellings
• upwells
• upwent
• upwhirl
• upwhirled
• upwhirling
• upwhirls
• up-wind
• upwind
• upwinding
• upwinds
• up with
• upwound
• upwrap
• upwraps
• upwrought
• up yours
• ur
• ur-
• urachi
• urachus
• urachuses
• uracil
• uracils