一生涯[isshougai] lifetime
公生涯[koushougai] public life
生涯[shougai] one's lifetime (i.e. one's existence until death)
生涯教育[shougaikyouiku] lifelong education
全生涯[zenshougai] one's whole life

天涯[tengai] horizon
天涯孤独[tengaikodoku] a person without a single relative
際涯[saigai] limits
境涯[kyougai] circumstances
水涯[suigai] waters edge

一際[hitokiwa] conspicuously
学際的[gakusaiteki] interdisciplinary
真際[magiwa] on the verge of
金輪際[konrinzai] the deepest bottom of the earth
交際[kousai] company

交際家[kousaika] sociable person
交際嫌い[kousaigirai] unsociable
交際好き[kousaizuki] sociable
交際国[kousaikoku] friendly powers
交際社会[kousaishakai] society