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

老麺[raamen] ramen (Chinese-style noodles)
家老[karou] chief retainer
棄老[kirou] old person thrown away in the mountains
敬老[keirou] respect for the aged
敬老の日[keirounohi] Respect-for-the-Aged Day Holiday (third Monday in September)

元老[genrou] elder statesman
元老院[genrouin] (Roman) senate
故老[korou] old people
車海老[kurumaebi] kuruma prawn (Marsupenaeus japonicus)
寿老人[juroujin] god of longevity

ギックリ腰[gikkurigoshi] strained back
丸腰[marugoshi] unarmed
及び腰[oyobigoshi] bent back
けんか腰[kenkagoshi] belligerent
腰掛る[koshikakeru] to sit (down)

腰を下す[koshiwoorosu] to sit down
腰かけ[koshikake] seat
腰巻[koshimaki] loincloth
腰元[koshimoto] chamber maid