• mentos,
• memonto,
• mementum,
• mement,
• momentos,
• mementoes,
• momentom,
• mements,
• momentoes,
• rements,
• momentts,
• momentus,
• emements,
• moements,
• momentes,
• ements,
• meminto,
• dementus,
• dementis,
• meoments

The adjective form of the word "Mementos" is "Mementoal". However, it is worth mentioning that "memento" is typically used as a noun, and the adjective form is not commonly used.

The plural form of the word "mementos" is "mementos".

The singular form of the word "Mementos" is "Memento"