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

芥箱[gomibako] garbage can
げた箱[getabako] shoe rack (in genkan)
化粧箱[keshoubako] vanity case
救急箱[kyuukyuubako] first-aid kit
仕事箱[shigotobako] workbox

私書箱[shishobako] post office box
慈善箱[jizenbako] charity box
主の箱[shunohako] Ark of the Lord
手箱[tebako] (small) box to keep valuables, etc.
重箱[juubako] multi-tiered food box

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