saiko
n.— «In Japanese, “Saiko” means “the best.” In Korean, however, saiko means the same as the English word “psycho.”» —“Of their own kind: Author for the 20-somethings” by Shin Hae-in Korea Herald (Seoul) Aug. 4, 2004. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
The Kong in the name of the 1933 movie King Kong, probably alludes to the Congo in Africa, the home of gorillas. Previous movies used a form of that name as well; Kongorilla, for example. In the 1950s, the English name of the Japanese movie monster...