Bagatelle and Memento

Bagatelle noun - Something of little importance.

Memento and bagatelle are semantically related. In some cases you can use "Memento" instead a noun "Bagatelle".

Memento noun - Something that serves to keep alive the memory of a person or event.

Bagatelle and memento are semantically related. Sometimes you can use "Bagatelle" instead a noun "Memento".