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

迂濶[ukatsu] careless
快濶[kaikatsu] cheerful
久濶を叙す[kyuukatsuwojosu] to apologize for a long neglect of friends (apologise)
天空海濶[tenkuukaikatsu] the open sky and the serene sea

久濶[kyuukatsu] not having met or contacted someone for a long time
濶達[kattatsu] openhearted
濶歩[kappo] striding
自由濶達[jiyuukattatsu] free and easy