Compounds of 不

• 不渡り
  (n) non-payment
  dishonouring (bill)
  dishonoring (bill)
  bouncing (cheque, check)
  (P)
• 不登校
  (n) truancy
  school non-attendance
• 不都合
  (adj-na,n) inconvenience
  inexpedience
  trouble
  harm
  impropriety
  wrongdoing
  (P)
• 不倒翁
  (n) tumbler
  self-righting toy
• 不凍液
  (n) antifreeze
• 不凍海
  (n) ice-free sea
• 不凍港
  (n) ice-free port
• 不凍剤
  (n) antifreeze
• 不当り
  (n) failure
  unpopularity
• 不等号
  (n) (math) less than sign or greater than sign (< or >)
  inequality sign
• 不等号
  (n) (math) less than sign or greater than sign (< or >)
  inequality sign
• 不等式
  (n) (math) (expression of) inequality
• 不等式
  (n) (math) (expression of) inequality
• 不等辺
  (n) unequal sides
• 不統一
  (adj-na,n) disunity
  disharmony
• 不透明
  (adj-na,n) opacity
  (P)
• 不動産
  (n) real estate
  (P)
• 不動心
  (n) imperturbability
• 不同意
  (n) disagreement
  objection
• 不同化
  (n,vs) nonassimilation
• 不導性
  (n) nonconductibility
• 不導体
  (n) nonconductor
• 不道徳
  (adj-na,n) immorality
  iniquity
  impropriety
• 不道理
  (n) unreasonableness
  absurdity
  irrationality
• 不得意
  (adj-na,n) one's weak point
  (P)
• 不得策
  (adj-na,n) unwise plan
  bad policy
  inexpediency
• 不得手
  (adj-na,n) weak point
  unskillfulness
• 不徳漢
  (n) crook
  swindler
• 不徳義
  (adj-na,n) immorality
  dishonesty
• 不特定
  (adj-na,n) unspecified
  random
  indefinite