vallum/ʹvaləm/ noun (pl vallums valla /ʹvalə/)

• upstart
• upstate
• up sticks
• upstream
• upstroke
• upsurge
• upswept
• upswing
• upsydaisy
• uptake
• up-tempo
• up the boohai
• up the creek
• up the duff
• up the pole
• up the spout
• up the wall
• upthrow
• upthrust
• uptight
• uptime
• up to
• up to a point
• up-to-date
• up to now