Compounds of 補

• 兼補
  (n,vs) carrying on a second line of work
• 候補
  (n) (1) candidate
  contender
  prospect
  pick
  choice
  list
  (2) candidacy
  candidature
  nomination
  (P)
• 試補
  (n) probationer
• 修補
  (n,vs) repairing
• 将補
  (n) major general (JSDF)
• 相補
  (n,adj-no) complement
• 増補
  (n,vs) enlarging a book
• 追補
  (n,adj-no) (comp) addenda
  addendum
• 填補
  (n,vs) (1) supplementation
  replenishment
  (2) compensation
  indemnification
• 転補
  (n,vs) changing (governmental) posts
• 補い
  (n) replenishment
  supplement
  reparation
• 補う
  (v5u,vt) to compensate for
  to supplement
  (P)
• 補す
  (vs-s) (arch) to appoint
  to designate
• 補遺
  (n,adj-no) supplement
  appendix
• 補回
  (n) (baseball) extra innings
• 補角
  (n) supplement
• 補巻
  (n) supplement
  supplementary volume
• 補完
  (n,vs) complementation
  completion
  (P)
• 補間
  (n) interpolation
• 補記
  (n,vs) addition (to a text)
  additional entry (e.g. to a database)
• 補給
  (n,vs) supply
  supplying
  replenishment
  (P)
• 補強
  (n,vs) compensation
  reinforcement
  (P)
• 補欠
  (n,vs,adj-no) (1) filling a vacancy
  supplementation
  (2) substitute
  deputy
  alternate
  spare
  (P)
• 補血
  (n) blood replenishment
• 補弦
  (n) supplementary chord
• 補語
  (n) (ling) complement
• 補講
  (n,vs) supplementary classes or lectures
• 補佐
  (n,vs,adj-no) aid
  help
  assistance
  assistant
  counselor
  counsellor
  adviser
  advisor
  (P)
• 補作
  (n) adding something to or altering a finished work of art
  something added or altered in this manner
• 補殺
  (n,vs) catching and killing
  assisting (baseball)