imposevsimposterTell them apart

Quick tell: impose is a verb, imposter is a noun, so they fill different roles in a sentence.

Which to use

“impose” is a verb and “imposter” is a noun - they look or sound alike but fill different roles in a sentence.

#8,047
“impose” frequency rank
#33,682
“imposter” frequency rank
41729
confusion score

Side-by-Side Comparison

Feature impose imposter
Definition To physically lay or place (something) on another thing; to deposit, to put, to set. Alternative spelling of impostor.

Letter map: impose vs imposter

Shared letters muted; letters that set impose and imposter apart highlighted. Shared run: 6.

6 ch
impose
8 ch
imposter

Part-of-speech tell for impose / imposter

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: impose is averb and imposteranoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 41729, derived from the frequency rank of both members and their visual similarity.

impose is recorded at frequency rank #8,047, classified as averb, pronounced /ɪmˈpəʊz/. imposter is at rank #33,682, tagged as anoun.

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 41729, this pair ranks #255,630 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of impose vs imposter

Shared letters: eimops. Private to "impose": -. Private to "imposter": rt.

"impose" · 6 letters · shape VCCVCV  ·  "imposter" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • imposeimmpose · imopse · impoes · imposse · imppose · impsoe · ipmose · mipose
  • imposterimmposter · imopster · imposetr · imposster · imposterr · impostre · impostter · impotser

Frequently Asked Questions

Can "impose" and "imposter" be used interchangeably?
No - they are not even the same part of speech. "impose" is a verb and "imposter" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "impose" or "imposter" show up more?
"impose" is the more common of the two: it sits at frequency rank #8,047 in our English list, against #33,682 for "imposter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "impose" and "imposter".

  • Full dictionary entry for "impose" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "imposter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #255,630 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "impose" and "imposter" also get mixed up with nearby pairs, the highest-scored neighbour is "imposter 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 #255,630 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list