銅貨
どうか · douka · JLPT N3 · noun
coin
🪙 銅 copper + 貨 currency = copper coin; douka sounds like dough, slang for cash
銅 (dō) means copper, as in 銅メダル, a bronze medal. 貨 (ka) means money or goods, as in 通貨 (currency). Put together, copper money gives you a copper coin. Douka starts like dough, which is slang for cash.