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

偏芯[henshin] eccentricity (in mechanics, electronics, etc.)
燈芯[toushin] (lamp) wick
帯芯[obishin] thick obi sash
摘芯[tekishin] thinning (buds and branches)
芯地[shinji] padding

替え芯[kaeshin] spare lead
鉛筆の芯[enpitsunoshin] lead of a pencil
硬の芯[kounoshin] hard pencil lead
林檎の芯[ringonoshin] core of an apple

天魚[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
海鷂魚[ei] ray (fish)
斉魚[etsu] Japanese grenadier anchovy (Coilia nasus)
旗魚[kajiki] marlin
鶏魚[isagi] chicken grunt (species of fish, Parapristipoma trilineatum)

杜父魚[tofugyo] sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb)
堅魚[katsuo] skipjack tuna
魚網[gyomou] fishing net
魚屋[sakanaya] fish market
魚貝[gyokai] marine products

海鷂魚[ei] ray (fish)
兄鷂[konori] musket (male Eurasian sparrowhawk)

雀鷂[tsumi] Japanese sparrowhawk (Accipiter gularis)
クーパー鷂[kuupaahaitaka] Cooper's hawk (Accipiter cooperii)