パチンコ
パチンコ · pachinko · JLPT N1 · noun
pachinko
🎰 Sounds like pachi-pachi, the click of steel balls hitting pins
The name copies the sound. パチパチ (pachi-pachi) is the onomatopoeia for a light click or crackle, and the machines are full of steel balls clicking down through rows of pins.