Which to use
“imposter” and “impostor” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,682
- “imposter” frequency rank
- #37,041
- “impostor” frequency rank
- 70723
- confusion score
Side-by-Side Comparison
| Feature | imposter | impostor |
|---|---|---|
| Definition | Alternative spelling of impostor. | Someone who attempts to deceive by using an assumed name or identity. |
Letter map: imposter vs impostor
Shared letters muted; letters that set imposter and impostor apart highlighted. Shared run: 7.
Corpus notes: imposter and impostor
imposter and impostor are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - e in “imposter” becomes o in “impostor”. Our composite confusion score for this pair is 70723, derived from the frequency rank of both members and their visual similarity.
imposter is recorded at frequency rank #33,682, classified as anoun. impostor is at rank #37,041, tagged as anoun, pronounced /ɪmˈpɒstə/.
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 70723, this pair ranks #49,393 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of imposter vs impostor
Shared letters: imoprst. Private to "imposter": e. Private to "impostor": -.
"imposter" · 8 letters · shape VCCVCCVC · "impostor" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "imposter" for "impostor" ever safe?
Frequency check: "imposter" vs "impostor" - which ranks higher?
After this comparison
You've compared "imposter" and "impostor". Here's where to go from here.
- Full dictionary entry for "imposter" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "impostor" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,393 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "imposter" and "impostor" also get mixed up with nearby pairs, the highest-scored neighbour is "importer vs impostor". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #49,393 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.