1. A heir with another or others.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• casheir,
• tohear,
• moher,
• cahir,
• toheir,
• coheen,
• toher,
• iheir,
• tyheir,
• couir,
• eheir,
• cother,
• couer,
• thheir,
• boher,
• tjheir,
• cohear,
• yheir,
• coier,
• chher

• Cosier,
• heir,
• Cozier.

The adjective form of the word "Coheir" is "Coheirship" which describes the quality or state of being a coheir.

The plural of the "Coheir" can be the "coheirs".

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