Compounds of 不審

• 不審
  (adj-na,n) incomplete understanding
  doubt
  question
  distrust
  suspicion
  strangeness
  infidelity
  (P)
• 不審火
  (n) fire under suspicious circumstances
  arson
• 不審者
  (n) suspicious person
• 挙動不審
  (n) suspicious behavior
  acting suspiciously
• 不審人物
  (n) suspicious character (person, figure)
• 不審尋問
  (n,vs) police questioning (of a suspicious person)
• 不審訊問
  (oK) (n,vs) police questioning (of a suspicious person)