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

滑らす[zurasu] to shift
円転滑脱[entenkatsudatsu] suave
滑か[suberaka] smooth (e.g. skin or ground)
滑らす[suberasu] to let something slip
滑り易い[suberiyasui] greasy

滑り寄る[suberiyoru] to slide up to
滑り込む[suberikomu] to slide into (base)
滑り尺[suberijaku] slide rule
滑り入る[suberiiru] to slide into
滑り落ちる[suberiochiru] to slip off