Compounds of 久

• 永久歯
  (n) permanent tooth
• 永久性
  (n) permanency
• 屋久猿
  (n) (uk) Yakushima macaque (Macaca fuscata yakui)
• 屋久鹿
  (n) Yakushima sika (Cervus nippon yakushimae)
• 屋久杉
  (n) Yakushima cedar (esp. one over 1000 years old)
• 久しい
  (adj-i) long
  long-continued
  old (story)
  (P)
• 久しく
  (n) for a long time
• 久慈目
  (n) type of greenling (fish)
• 恒久化
  (n,vs) making permanent
• 恒久性
  (n) permanance
  perpetuity
• 恒久的
  (adj-na) permanent
  perpetual
  lasting
• 持久戦
  (n) protracted war
  war of attrition
• 持久走
  (n) marathon training in physical education classes in Japanese schools
• 持久力
  (n) stamina
  tenacity
• 耐久財
  (n) durable goods
  durables
• 耐久性
  (n) durability
  (P)
• 耐久力
  (n) stamina
• 地久節
  (n) Empress's Birthday (esp. as celebrated prior to WWII)
• 天邪久
  (adj-na,n,adj-no) (1) perverse or cussed person
  contrarian
  (2) antagonistic demon in Japanese folklore
  (3) demon under the feet of temple guardian statues
• 半永久
  (n) semipermanence
• 永久機関
  (n) perpetual motion
• 永久欠番
  (n) retired (uniform) number
• 永久雇用
  (n) permanent employment
• 永久公債
  (n) perpetual bond
• 永久硬水
  (n) permanent hard water
• 永久磁場
  (n) permanent magnetic field
• 永久磁石
  (n) permanent magnet
• 永久組織
  (n) permanent tissue
• 永久脱毛
  (n,vs) removing hair permanently
• 永久電流
  (n) permanent current