海鷂魚[ei] ray (fish)
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一天四海[ittenshikai] the world
雲海[unkai] sea of clouds
沿海[enkai] coast

遠海[enkai] deep sea
黄海[koukai] Yellow Sea
温海[atsumi] warm sea
海の幸[uminosachi] seafood

ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
一進一退[isshinittai] now advancing and now retreating
一歩前進[ippozenshin] (a) step forward
栄進[eishin] promotion
詠進[eishin] presentation of poem (to court)

仮進級[karishinkyuu] conditional promotion
勘進[kanshin] reporting after careful investigation
勧進[kanjin] temple solicitation
勧進元[kanjinmoto] backer
勧進帳[kanjinchou] temple solicitation book