imposevsimproveWhich spelling fits?

Which to use

“impose” and “improve” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,047
“impose” frequency rank
#1,696
“improve” frequency rank
9743
confusion score

Side-by-Side Comparison

Feature impose improve
Definition To physically lay or place (something) on another thing; to deposit, to put, to set. To make (something) better; to increase the value or productivity (of something).

Where the eye mixes impose and improve

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
impose
7 ch
improve

Visual trap between impose and improve

A purely visual mix-up. impose (/ɪmˈpəʊz/) and improve (/ɪmˈpɹuːv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 9743, 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/. improve is at rank #1,696, tagged as averb, pronounced /ɪmˈpɹuːv/.

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 9743, this pair ranks #495,827 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of impose vs improve

Shared letters: eimop. Private to "impose": s. Private to "improve": rv.

"impose" · 6 letters · shape VCCVCV  ·  "improve" · 7 letters · shape VCCCVCV

Known mistypes of this pair

  • imposeimmpose · imopse · impoes · imposse · imppose · impsoe · ipmose · mipose
  • improveimmprove · imporve · impprove · improev · improvve · imprrove · imprvoe · imrpove

Frequently Asked Questions

Is swapping "impose" for "improve" ever safe?
No. They are said differently (/ɪmˈpəʊz/ versus /ɪmˈpɹuːv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "impose" or "improve" show up more?
"improve" is the more common of the two: it sits at frequency rank #1,696 in our English list, against #8,047 for "impose". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "impose" and "improve" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "impose" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "improve" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #495,827 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "impose" and "improve" also get mixed up with nearby pairs, the highest-scored neighbour is "implode vs impose". 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 #495,827 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