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

御目出度う御座います[omedetougozaimasu] congratulations
駄目になる[dameninaru] to spoil
繋ぎ目[tsunagime] joint
軽目焼[karumeyaki] hard caramelized sugar candy
駄目押し[dameoshi] making doubly sure

一つ目[hitotsume] one-eyed
一合目[ichigoume] the start of a climb up a hill
一丁目[icchoume] Block 1
ひと目[ichimoku] (a) glance
一目惚れ[hitomebore] to be taken with someone at first sight (similar to "love at first sight", but not as strong)

真婿[manko] vagina
ポラロイド写真[poraroidoshashin] Polaroid picture
人生の真っ盛り[isshounomassakari] the noontide of life
猿真似[sarumane] indiscriminate imitation (lit: monkey imitator)
真近[majika] proximity

真際[magiwa] on the verge of
顔写真[kaojashin] photographic portrait
原色写真版[genshokushashinban] tricolor printing
抗真菌[koushinkin] antifungal
殺真菌薬[satsushinkinyaku] fungicide