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

円頂[enchou] dome
山の頂[yamanoitadaki] mountain top
山頂[sanchou] summit (e.g. mountain)
絶頂[zecchou] summit
頂きます[itadakimasu] expression of gratitude before meals

聴き頂く[kikiitadaku] to receive a hearing
頂き[itadaki] crown (of head)
頂き物[itadakimono] (received) present
頂上[choujou] top
頂戴[choudai] receiving