realm

a country or area ruled by a king, queen, etc.

reino, dominio

Collocations kingdom of · royal realm

• The kingdom of England was once a powerful realm.

  El reino de Inglaterra fue una vez un poderoso dominio.

a subject or area of knowledge, especially one that is studied in a school or university.

campo de estudio, área del conocimiento

Collocations field of study · realm of knowledge

• She is a leading expert in her realm.

  Ella es una experta líder en su campo de estudio.

an area of activity or interest that someone has control over or is responsible for.

área, dominio

Collocations sphere of influence · realm of responsibility

• He has a wide realm in the business world.

  Él tiene un amplio dominio en el mundo empresarial.