• heathstone,
• headstong,
• cherystone,
• headstome,
• headestone,
• hadstone,
• hedstone,
• heastone,
• headstne,
• headston,
• haedstone,
• headstoen,
• headstonne,
• headstonee,
• meerstone,
• ierestone,
• hadsone,
• hemditone,
• hoarstone,
• Honaystone

• Hedstrom,
• headset,
• headstrong,
• headstall,
• headstock,
• headstream,
• heatstroke,
• headshot,
• headstand,
• head start.

The adjective form of the word "headstone" is "headstoned". However, it is less commonly used and "headstone" is often used as both a noun and an adjective.

The plural of the "headstone" can be the "headstones".

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