• Vertumus,
• vertumnys,
• vertumnes,
• vertumns,
• vertmunus,
• vartumnus,
• vartumnys,
• vartumus,
• vartumnes,
• vartumns

• invert,
• veracity,
• Versus,
• versatile,
• convert,
• traverse,
• verbatim,
• vertical,
• verse,
• version.

The adjective form of the word "vertumnus" is "vertumnal".

The plural form of the word "vertumnus" is "vertumni".

The singular form of the word "vertumnus" is "vertumnus". This word is a proper noun and does not change in form for singular or plural usage.