KO or k.o.

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

To knock out

A knockout

• spearmen
• spearmint
• spearmints
• spear-point
• spear-points
• spear pyrites
• spear-running
• spears
• spear-shaft
• spear-shafts
• spear side
• spear sides
• spear tackle
• spear tackles
• spear thistle
• spear thistles
• spear-thrower
• spear-throwers
• spearwort
• spearworts
• speary
• speat
• spec
• spec-built
• speccies