KO or k.o.

1. Kick-off
2. Knockout
3. Knock out

To knock out

A knockout

• floccus
• flock
• flock-bed
• flock-beds
• flocked
• flocking
• flock-master
• flock-masters
• flock-paper
• flock-papers
• flocks
• flock wallpaper
• flock wallpapers
• flocs
• floe
• floes
• flog
• flog a dead horse
• flogged
• flogger
• floggers
• flogging
• floggings
• flogs
• flog to death