• 貿易ぼうえき — trade (esp. international)
• 自由貿易じゆうぼうえき — free trade
• 貿易会社ぼうえきがいしゃ — trading company
• 貿易赤字ぼうえきあかじ — trade deficit
• 貿易港ぼうえきこう — trading port

The kanji 貿 combines the radical 貝 (meaning "shell" or "money") and 卯 (a phonetic element). It originally suggested the act of exchanging valuables. Today, it mainly appears in compound words related to global commerce and trade.

日本にほんは 貿易ぼうえきに 頼たよっている。
Japan relies on trade.

貿易会社ぼうえきがいしゃで 働はたらいています。
I work at a trading company.

Most commonly read as ボウ (bou), especially in compound words like 貿易 (ぼうえき). It is not used as a standalone word in daily conversation.