Compounds of 可

• 可
  (n,n-suf) passable
  acceptable
  tolerable
  fair
  (P)
• 允可
  (n,vs) permission
  assent
  compliance
• 印可
  (n,vs) (1) (Buddh) dharma transmission (formal confirmation of a student's awakening by his master)
  (2) certificate of proficiency (in flower arrangement, etc.)
• 可い
  (aux) (1) (arch) (uk) (ktb:) (thb:) word used at sentence-end (like a particle) to indicate speculation, volition or invitation
  (2) should
  must
• 可き
  (aux) (uk) should (suf. to verbs)
  must
• 可し
  (suf) (uk) shall
  should
  must
• 可逆
  (n) reversible
• 可決
  (n,vs) approval
  adoption (e.g. motion, bill)
  passage
  (P)
• 可算
  (n,adj-no) (ling) (abbr) countable
• 可視
  (n,adj-no) visibility
• 可祝
  (exp) (uk) (fem) yours sincerely (used to sign off on letters)
  respectfully yours
• 可成
  (adj-na,adv) (uk) considerably
  fairly
  quite
• 可惜
  (adj-pn) alas
  regrettably
• 可惜
  (adj-pn) alas
  regrettably
• 可塑
  (n) plastic
• 可聴
  (adj-na,n) audible
• 可動
  (n,adj-no) mobile
  moveable
• 可読
  (adj-na,n) readable
• 可燃
  (n,adj-no) inflammable
• 可能
  (adj-na,n) possible
  practicable
  feasible
  (P)
• 可否
  (n,adj-no) (1) propriety
  right and wrong
  advisability
  (2) pro and con
  ayes and noes
  (P)
• 可分
  (n) divisible
  separable
• 可変
  (adj-na,n,adj-no) variable
  changeable
  convertible
  controllable
• 可也
  (adj-na,adv) (uk) considerably
  fairly
  quite
  (P)
• 可溶
  (adj-na,n) soluble
  solubilizing
  solubilising
• 可用
  (n) available
  in service
• 可憐
  (adj-na,n) poor
  pitiful
  cute
  sweet
  lovely
• 可撓
  (n) flexible
• 許可
  (n,vs) permission
  approval
  authorization
  (P)
• 裁可
  (n,vs) sanction
  approval