Gender

Singular;

• ends with a = feminine
• ends with o = masculine

Exceptions;

• ends with ema = masculine (eg. o cinema, o problema)
• ends with oma = masculine
• ends with grama = masculine

Extra rules;

• foreign words = usually masculine (eg. o criossant, o kebab)
• ends with r = masculine
• ends with e = usually masculine
• ends with agem = feminine
• ends with ção = feminine (except o coração)
• ends with ície = feminine
• ends with á = masculine (eg. o chá)
• ends with ante / ente / ista = always needs to know the article