Synonyms of realm in English:

realm


See US English definition of realm

See UK English definition of realm

See Spanish definition of reino

noun

1‘his prime concern was to promote peace in the realm’

SYNONYMS
kingdom, sovereign state, monarchy
empire, principality, palatinate, duchy
country, land, domain, dominion, nation, province

2‘the realm of academic research’

SYNONYMS
domain, sphere, area, field, department, arena
world, region, province, territory, zone, orbit