A common alternate English spelling of quinceañera that replaces ñ with n is quinceanera.
The spelling quinceañera uses the Spanish letter ñ, while quinceanera is a frequent ASCII-style form used when a keyboard or system does not easily support accented characters. Both forms are encountered in English-language searches and informal writing.
The pronunciation and meaning are intended to remain the same. The spelling without ñ is not a different celebration or a different age; it is a character-substitution variant.
In formal Spanish writing, quinceañera is the standard spelling. Writers may also preserve the accent mark over the final a, since Spanish orthography marks the word’s stress. Search engines commonly connect the variant spellings.