In Spanish, many profession names change depending on the gender of the person. Here are some common professions with both masculine and feminine forms:
ProfessionMasculineFeminine
TeacherProfesorProfesora
DoctorMédicoMédica
NurseEnfermeroEnfermera
EngineerIngenieroIngeniera
LawyerAbogadoAbogada
AccountantContadorContadora
ArchitectArquitectoArquitecta
JournalistPeriodistaPeriodista
PharmacistFarmacéuticoFarmacéutica
ChefChef / CocineroChef / Cocinera