• goofmark,
• boofmark,
• noofmark,
• joofmark,
• uoofmark,
• yoofmark,
• hiofmark,
• hkofmark,
• hlofmark,
• hpofmark,
• h0ofmark,
• h9ofmark,
• hoifmark,
• hokfmark,
• hofmark,
• hoofmak,
• hooffmark,
• Hoofmarkes,
• Hoofmarks,
• Hoofmarke

• hoof-mark,
• hoffner,
• hoof mark.

The adjective form of "hoofmark" is "hoof-marked".

The plural form of "hoofmark" is "hoofmarks".

The singular form of the word "hoofmark" is "hoofmark". The word remains the same in both singular and plural forms.