一円[ichien] one yen
一円玉[ichiendama] one-yen coin
一円札[ichiensatsu] one-yen bill
円か[madoka] round
円やか[maroyaka] round

円グラフ[engurafu] pie graph
円安[enyasu] cheap yen
円為替[engawase] yen exchange
円域[eniki] yen bloc

小匙[kosaji] teaspoon
大匙[oosaji] tablespoon
茶匙[chasaji] teaspoon
飯匙倩[habu] habu (East Asian pit viper of genus Trimeresurus)
匙加減[sajikagen] prescription

匙を投げる[sajiwonageru] to give up (something as hopeless)
本飯匙倩[honhabu] Okinawan habu (Trimeresurus flavoviridis)
台湾飯匙倩[taiwanhabu] Taiwanese habu (Trimeresurus mucrosquamatus)
石匙[ishisaji] stone knife (Jomon-period tool, shaped like a rice spoon)