Definitions
a knowledge domain that you are interested in or are communicating about
Word origin
From Middle English rewme, realme, reaume, from Old French reaume, realme, reialme (“kingdom”), of unclear origins. A postulated *rēgālimen (“domain, kingdom”), Late Latin or Vulgar Latin cross of regimen with rēgālis is usually cited.
Used in a sentence
“And, of this island realm, he and his companion were the undisputed sovereigns.”
“1913, Leslie Alexander Toke, Catholic Encyclopedia, "St. Dunstan", Then seeing his life was threatened he fled the realm and crossed over to Flanders, […]”
“the realm of physics”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Kingdom or domain”5 letters
02“Domain”5 letters
Not quite right?
"Search similar patterns."
R____