1. On foot.

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

• anout,
• aboout,
• aflot,
• ofnot,
• affor,
• ashot,
• aflood,
• efood,
• afect,
• arout,
• afool,
• aftet,
• aboot,
• afort,
• ahout,
• barfoot,
• foott,
• afert,
• afult,
• afet

• aft.

The adjective form of the word "afoot" is "current" or "ongoing".

The plural form of "afoot" is "afoots".

The singular form of the word "afoot" is foot.