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

馬酔木[asebi] Japanese andromeda (Pieris japonica)
梶木[kajiki] marlin
ゴムの木[gomunoki] rubber tree
トロイの木馬[toroinomokuba] Trojan horse
木乃伊[miira] mummy

伊佐木[isaki] chicken grunt (species of fish, Parapristipoma trilineatum)
一木[ichiboku] one tree
稲木[inagi] rice-drying rack
猿も木から落ちる[sarumokikaraochiru] even monkeys fall from trees
横木[yokoki] crosspiece