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Investigation vs Interrogation - What's the difference?

investigation | interrogation |

As nouns the difference between investigation and interrogation

is that investigation is the act of investigating; the process of inquiring into or following up; research; study; inquiry, especially patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist while interrogation is the act of interrogating or questioning; examination by questions; inquiry.

investigation

English

(wikipedia investigation)

Noun

(investigations)
  • The act of investigating; the process of inquiring into or following up; research; study; inquiry, especially patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.

    • interrogation

    English

    (wikipedia interrogation)

    Noun

    (en noun)
  • The act of interrogating or questioning; examination by questions; inquiry.
  • A question put; an inquiry.
  • A point, mark, or sign, thus , indicating that the sentence with which it is connected is a question. It is used to express doubt, or to mark a query. Called also interrogation point.

    • Usage notes

    * Preposition under is generally used for the person or matter that is being investigated; Johnny is under interrogation about the last night's events.

    Related terms

    * interrogate * interrogative * interrogator * interrogatory