巻尾[kanbi] end of a book
語尾[gobi] (inflected) end of a word
交尾[koubi] copulation (in animals)
行の末尾[gyounomatsubi] end of line
首尾[shubi] issue

首尾一貫した[shubiikkanshita] consistent
上首尾[joushubi] success
尻尾[shippo] tail (animal)
接尾[setsubi] suffix
接尾語[setsubigo] suffix

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