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
If you start the phrase when in Rome… but don’t finish the sentence with do as the Romans do, or say birds of a feather… without adding flock together, you’re engaging in anapodoton, a term of rhetoric that refers to the...
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...