Aliases
An alias is an alternate name for an entity. They typically contain common misspellings or variations of the name and are also used to improve search results.
La Périchole: Acte II. No 14 Finale. B: Couplets "Ah! que les hommes sont bêtes" "Que veulent dire ces colères" (La Périchole, Piquillo) has no aliases.