永久歯[eikyuushi] permanent tooth
永久性[eikyuusei] permanency
永久脱毛[eikyuudatsumou] removing hair permanently
久しい[hisashii] long
久しく[hisashiku] for a long time

久し振りに[hisashiburini] after a long time
久し振り[hisashiburi] a long time (since the last time)
久懐[kyuukai] long-cherished hope
久慈目[kujime] spotbelly greenling (Hexagrammos agrammus)
久方[hisakata] sky

耐える[taeru] to bear
耐兼ねる[taekaneru] to be unable to endure
耐火[taika] fireproof
耐久[taikyuu] endurance
耐震[taishin] resistant to earthquakes

耐震性[taishinsei] earthquake-proof
耐熱[tainetsu] heat-resisting
耐乏生活[taibouseikatsu] hard life
忍耐[nintai] endurance
耐え忍ぶ[taeshinobu] to put up with