As nouns the difference between kingdom and rea
is that kingdom is a nation having as supreme ruler a king and/or queen while rea is alternative form of lang=en.
As an initialism REA is
request for an equitable adjustment, a term used in contracting with government entities in the United States to indicate that compensation is sought for unexpected costs arising in the fulfillment of a contract.
kingdom
English
Noun
(
en noun)
A nation having as supreme ruler a king and/or queen.
(biology, 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)
Derived terms
* animal kingdom
* Kingdom of Heaven
* kingdom come
* Kingdom County
* plant kingdom
* vegetable kingdom
See also
* monarchy
