Work
Wasei-eigo in the Work category — 4 words that look English but mean something completely different in Japanese.
アルバイト
arubaito
A part-time job (especially for students or young people) ≠ arbeit
フリーター
furītā
A person who moves between part-time jobs without pursuing a career (typically young adults) ≠ free + Arbeiter
OL
ōeru
A female office worker (typically clerical/administrative) ≠ office lady
サラリーマン
sarariiman
A male white-collar office worker, typically a full-time company employee ≠ salary man