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

外債[gaisai] foreign loan
起債[kisai] issuing of bonds
旧債[kyuusai] old debt
軍事公債[gunjikousai] war bond
固定負債[koteifusai] fixed liabilities

公共債[koukyousai] government bond
公債[kousai] public debt
公社債[koushasai] public bonds
公募債[koubosai] public issue
国債[kokusai] national debt

ハチ公[hachikou] statue of Hachiko (a dog) at Shibuya station
郭公[kakkou] common cuckoo (Cuculus canorus)
株式公開[kabushikikoukai] stock offering (to the public)
蒲公英[tanpopo] dandelion (esp. species Taraxacum platycarpum)
官公庁[kankouchou] government administration office

丸公[marukou] official price
勤め奉公[tsutomeboukou] apprenticeship
公平[kinpira] chopped burdock root (and sometimes carrot) cooked in sugar and soy sauce
公孫樹[kousonju] ginkgo (Ginkgo biloba)

永遠[eien] eternity
永久歯[eikyuushi] permanent tooth
永久性[eikyuusei] permanency
永久脱毛[eikyuudatsumou] removing hair permanently
永訣[eiketsu] last farewell

永劫[eigou] eternity
永小作[eikosaku] perpetual land lease
永子作権[eikosakuken] perpetual land lease
永寿[eiju] long life
永住[eijuu] permanent residence