Feminist language reform has proposed gender neutrality in languages with grammatical gender, such as Spanish. Grammatical gender in Spanish refers to how Spanish nouns are categorized as either masculine (often ending in -o) or feminine (often ending in -a). As in other Romance languages—such as Portuguese, to which Spanish is very similar—a group of both males and females, or someone of unknown gender, is usually referred to by the masculine form of a nouns and or pronoun. Advocates of gender-neutral language modification consider this to be sexist, and exclusive of gender non-conforming people. They also stress the underlying sexism of words whose feminine form has a different, often less prestigious meaning. Some argue that a gender neutral Spanish can reduce gender stereotyping, decon