WordRel.com

• a basic group of natural objects

  hypernym	groupgrouping
  hyponym	mineral kingdom

• a monarchy with a king or queen as head of state

  derivation	king
  hypernym	monarchy

• the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia

  hypernym	taxontaxonomic categorytaxonomic group
  hyponym	animal kingdomAnimaliaFungifungus kingdomkingdom Animaliakingdom Fungikingdom Monerakingdom Plantaekingdom Prokaryotaekingdom ProtoctistaMoneraplant kingdomPlantaeProkayotaeProtoctista
  mero member	phylum

• the domain ruled by a king or queen

  synonym	realm
  derivation	king
  hypernym	demesnedomainland
  instance hyponym	Numidia

• a country with a king as head of state

  hypernym	countrylandstate
  hyponym	Kingdom of The Netherlands
  instance hyponym	BritainGreat BritainIsraelU.K.UKUnited KingdomUnited Kingdom of Great Britain and Northern Ireland

• a domain in which something is dominant

  synonym	landrealm
  hypernym	areaarenadomainfieldorbitsphere
  hyponym	lotus landlotusland