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"investigation" vs "investigations"

Both 'investigation' and 'investigations' are correct, but they are used in different contexts. 'Investigation' is singular and refers to the process of carrying out a systematic inquiry, while 'investigations' is the plural form and refers to multiple instances of conducting inquiries.

Last Updated: March 27, 2024

investigation

This is a correct singular form used to refer to the process of carrying out a systematic inquiry.

Use 'investigation' when referring to a single instance or process of conducting an inquiry.

Examples:

  • The police launched an investigation into the crime.
  • The investigation revealed new evidence.

Alternatives:

  • inquiry
  • examination
  • probe
  • scrutiny
  • research

investigations

This is the correct plural form used to refer to multiple instances of conducting inquiries.

Use 'investigations' when referring to more than one inquiry or when discussing various investigative activities.

Examples:

  • The company conducted several investigations into the matter.
  • His research involved multiple investigations.

Alternatives:

  • inquiries
  • examinations
  • probes
  • scrutinies
  • researches

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