貿易
ぼうえき · boueki · JLPT N4 · noun
trade
🚢📦 貿易 = exchange (貿) + swap/easy (易): goods swapped across borders
貿 means to barter or exchange, built on 貝 (shell, the old money). 易 means to change or swap, and also easy. Together: exchanging goods for money = trade. Sound hook: boueki is close to boat-eki, and eki is station, so a boat station is where trade happens.