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

イ長調[ichouchou] A major
データビット長[deetabittochou] data bit length
ト長調[tochouchou] G major
ニ長調[nichouchou] D major
ハ長調[hachouchou] C major

ヘ長調[hechouchou] F major
ホ長調[hochouchou] E major
ロ長調[rochouchou] B major
委員長[iinchou] committee chairman
意味深長[imishinchou] with profound (often hidden) meaning