• micor,
• meical,
• mcak,
• mucch,
• mucal,
• micky,
• mictch,
• muical,
• mircal,
• miriah,
• micra,
• mich,
• maical,
• mucgh,
• muich,
• mcuh,
• muckh,
• micha,
• micth,
• micco

• mish,
• michie,
• Misha,
• miscue,
• Miesha,
• Mika,
• Mishoe,
• mihok,
• Micha,
• mica,
• mix,
• Mishaw,
• mis,
• Miyake.

The plural form of the word "Micah" is "Micahs".

The singular form of the name "Micah" is still "Micah". It is a unisex name and does not change when referring to an individual.