• caary,
• cahir,
• caure,
• cario,
• caino,
• cair,
• kairso,
• airo,
• cardo,
• cairs,
• camio,
• carido,
• carre,
• camro,
• scairy,
• caare,
• carrom,
• ciro,
• caro,
• ciaro

• carya,
• cargo,
• crow,
• caraway,
• Cara,
• carol,
• cr,
• car,
• carob,
• Carrow,
• Caro,
• cayer,
• Carri,
• Carrie,
• Cary,
• care,
• Carr,
• Carroway,
• carry,
• carrot,
• CARRA,
• Carie,
• Carey,
• Cari,
• carro,
• cry,
• carew.

The adjective form of the word "Cairo" is "Cairene".

The plural form of the word "Cairo" is "Cairos".

The singular form of the word "Cairo" is still "Cairo".