# investigation vs investigator

> English confusable word pair

## The two words

### investigation
*noun · IPA /ɪnˌvɛs.tɪˈɡeɪ.ʃən/ · frequency rank #1,831*
The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination

### investigator
*noun · IPA /ɪnˈvɛs.tɪˌɡeɪ.tɚ/ · frequency rank #9,197*
One who investigates.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/investigation-vs-investigator