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

渦潮[uzushio] whirling tides
潮風呂[shioburo] (hot) saltwater bath
下げ潮[sageshio] ebb tide
血潮[chishio] blood spilt from the body
高潮[kouchou] high tide

黒潮[kuroshio] Japan Current
最高潮[saikouchou] climax
思潮[shichou] trend of thought
主潮[shuchou] main current
出潮[deshio] high tide

ト音記号[toonkigou] G clef
ハ音記号[haonkigou] C clef
ヘ音記号[heonkigou] F clef
哀音[aion] sad voices
異音[ion] allophone

異句同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
一音節[ichionsetsu] monosyllable
一口同音[ikkudouon] reading in unison
羽音[haoto] sound of flapping wings (of a bird)