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

海苔[nori] nori (edible seaweed, esp. species Porphyra tenera and others of genus Porphyra, usu. dried and pressed into sheets)
乾海苔[hoshinori] dried edible seaweed
苔状[taijou] mossy
苔類[kokerui] bryophyte (any of three groups of non-vascular land plants, inc. mosses, hornworts and liverworts)
苔癬[taisen] lichen

蘚苔[sentai] moss
転石苔を生ぜず[tensekikokewoshouzezu] a rolling stone gathers no moss
布海苔[funori] funori (seaweed)
蘚苔学[sentaigaku] bryology

隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
燕青拳[enseiken] Yangqingquan
青竜蝦[shako] mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)
灰青色[haiseishoku] grayish blue
紺青[konjou] navy blue

青眼[seigan] aiming at the eye (with a sword)
青い[aoi] blue
青い鳥[aoitori] bluebird (Sialia spp.)
青褪める[aozameru] to become pale