Compounds of 可

• 不可欠
  (adj-na,n) indispensable
  essential
  (P)
• 不可誤
  (n) (papal) infallibility
• 不可算
  (n) (ling) (abbr) uncountable
• 不可視
  (n,adj-no) invisibility
• 不可侵
  (n) inviolability
  sacredness
  nonaggression
  (P)
• 不可知
  (adj-na,n) unknowable
  mysterious
• 不可得
  (n) (Buddh) the unobtainable (that which cannot be known)
• 不可能
  (adj-na,n) impossible
  (P)
• 不可避
  (adj-na,n) inevitable
  inescapable
  unavoidable
  (P)
• 不可分
  (adj-no,adj-na,n) atomic
  indivisibility
  (P)
• 不許可
  (n,vs) not permitting
  not authorizing
• 不裁可
  (n) veto
  rejection
• 不認可
  (n) disapproval
  rejection
• 無許可
  (adj-no) (1) unauthorized
  without permission
  unapproved
  (n) (2) lack of permission
  absence of authorization
• 無認可
  (adj-na) unapproved
  lack of approval
• 可からず
  (exp) must not
  should not
  do not
• 可くして
  (suf) (uk) as it is bound to (happen)
  following the natural course
• 可とする
  (exp) to approve (of)
  to be in favor of
  to be in favour of
• 可の評点
  (n) grade C
  Passable
• 可哀そう
  (adj-na,n) poor
  pitiable
  pathetic
  pitiful
• 可愛がる
  (v5r) to love
  to be affectionate
  (P)
• 可換環論
  (n) (math) commutative algebra
• 可逆圧縮
  (n,adj-no) (comp) lossless compression
• 可逆機関
  (n) reversible engine
• 可逆電池
  (n) reversible cell
• 可逆反応
  (n) reversible reaction
• 可逆変化
  (n,vs) reversible change
• 可算集合
  (n) countable set
• 可算名詞
  (n) (ling) countable noun
• 可視光線
  (n,adj-no) visible ray