The difference between Kingdom and Regnum

When used as nouns, kingdom means a realm having a king and/or queen as its actual or nominal sovereign, whereas regnum means a rank in the classification of organisms.


check bellow for the other definitions of Kingdom and Regnum

  1. Kingdom as a noun:

    A realm having a king and/or queen as its actual or nominal sovereign.

  2. Kingdom as a noun:

    A realm, region, or conceptual space where something is dominant.

    Examples:

    "the kingdom of thought"

    "the kingdom of the dead"

  3. Kingdom as a noun (taxonomy):

    A rank in the classification of organisms, below domain and above phylum; a taxon at that rank (e.g. the plant kingdom, the animal kingdom).

  1. Regnum as a noun (biology, taxonomy):

    A rank in the classification of organisms.

  2. Regnum as a noun:

    A badge of royalty, especially the early form of the pope's tiara.

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