• hairballs,
• farball,
• hairback,
• herball,
• hairfall,
• hairball,
• beinball,
• bierdcall,
• hairbawl,
• hareball,
• gairball,
• bairball,
• nairball,
• jairball,
• uairball,
• yairball,
• haireball,
• harball,
• hairbal,
• hiarball

• Harpold,
• harpulla,
• hair ball,
• harpole,
• Harvill,
• harville,
• harebell,
• harpel,
• harvell,
• harpullia.

The adjective form of the word "hairball" is "hairballic".

The plural of the "hairball" can be the "hairballs".

The singular of the "hairball" can be the "hairball".