御姉さん[oneesan] elder sister
義姉[gishi] sister-in-law (elder)
兄姉[keishi] brother and sister
姉さん[neesan] elder sister
姉貴[aneki] elder sister

姉御[anego] elder sister
姉上[aneue] older sister
姉弟[shitei] older sister and younger brother
姉妹会社[shimaigaisha] affiliated companies

一重継ぎ[hitoetsugi] sheep bend (knot)
引継ぐ[hikitsugu] to take over
継合せる[tsugiawaseru] to join together
継接ぎ[tsugihagi] patching (and darning)
継足す[tsugitasu] to extend (e.g. a house)

継ぐ[tsugu] to succeed (someone in a business or inheritance)
継嗣[keishi] successor
継っ子[keishi] stepchild
継承[keishou] inheritance
継承者[keishousha] successor