critter or crittur /kritˈər/ (dialect and informal; now esp US)

1. A creature
2. An animal

• up and running
• up-and-under
• Upanisad
• Upanishad
• upas
• upases
• upas-tree
• up at
• up a tree
• upbear
• upbearing
• upbears
• up-beat
• upbeat
• up-beats
• upbind
• upbinding
• upbinds
• upblew
• upblow
• upblowing
• upblown
• upblows
• upboil
• upboiled