Which to use
“investigation” and “investigator” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,831
- “investigation” frequency rank
- #9,197
- “investigator” frequency rank
- 11028
- confusion score
Side-by-Side Comparison
| Feature | investigation | investigator |
|---|---|---|
| Definition | The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination | One who investigates. |
Where the spellings diverge
Shared letters are muted; the letters that actually set investigation and investigator apart are highlighted. They share 11 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
investigation and investigator form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 11028, derived from the frequency rank of both members and their visual similarity.
investigation is recorded at frequency rank #1,831, classified as anoun, pronounced /ɪnˌvɛs.tɪˈɡeɪ.ʃən/. investigator is at rank #9,197, tagged as anoun, pronounced /ɪnˈvɛs.tɪˌɡeɪ.tɚ/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 11028, this pair ranks #489,267 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "investigation" and "investigator" be used interchangeably?
Remembering investigation vs investigator
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “investigation” entry
- Browse more pairs most likely to be confused. Most confusable