levity /levˈi-ti/

1. Lightness of temper or conduct
2. Thoughtlessness
3. A trifling or frivolous tendency
4. Fickleness
5. Vain quality
6. Lightness of weight (archaic)

• nail bar
• nail-bed
• nail-beds
• nail-biter
• nail-biters
• nail-biting
• nail bomb
• nail bombs
• nailbrush
• nailbrushes
• nail down
• nailed
• nailed on
• nail enamel
• nail enamels
• nailer
• naileries
• nailers
• nailery
• nail file
• nail files
• nail gun
• nail guns
• nail-head
• nail-headed