kingdom vs grouping

kingdom and grouping both are nouns.

Word	Noun	Adjective	Verb	Adverb
kingdom	Yes	No	No	No
grouping	Yes	No	No	No

As nouns, grouping is a hypernym of kingdom; that is, grouping is a word with a broader meaning than kingdom:

Other hypernyms of kingdom include group.

kingdom (noun)	grouping (noun)
a basic group of natural objects	any number of entities (members) considered as a unit
a monarchy with a king or queen as head of state	the activity of putting things together in groups
the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia	a system for classifying things into groups
the domain ruled by a king or queen
a country with a king as head of state
a domain in which something is dominant