It's not so clear and cut. For example, "acción" and any other noun that express the result of a verb ends in -ón, but they are female words. There are also ple

It's not so clear and cut. For example, "acción" and any other noun that express the result of a verb ends in -ón, but they are female words. There are also plenty of male words that end in -a, and female words that end in -o: https://www.practicaespanol.com/mas-de-40-palabras-que-acaban-en-a-de-genero-masculino/ https://www.practicaespanol.com/mas-de-40-palabras-que-acaba...