Which to use
“improving” is an adjective and “improvising” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,819
- “improving” frequency rank
- #38,899
- “improvising” frequency rank
- 42718
- confusion score
Side-by-Side Comparison
| Feature | improving | improvising |
|---|---|---|
| Definition | That tends to improve someone or something (especially (dated) to educate or morally better a person). | improvisation |
Letter map: improving vs improvising
Shared letters muted; letters that set improving and improvising apart highlighted. Shared run: 9.
Part-of-speech tell for improving / improvising
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: improving is anadjective and improvisinganoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 42718, derived from the frequency rank of both members and their visual similarity.
improving is recorded at frequency rank #3,819, classified as anadj, pronounced /ɪmˈpɹuːvɪŋ/. improvising is at rank #38,899, 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 42718, this pair ranks #246,708 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of improving vs improvising
Shared letters: gimnoprv. Private to "improving": -. Private to "improvising": s.
"improving" · 9 letters · shape VCCCVCVCC · "improvising" · 11 letters · shape VCCCVCVCVCC
Known mistypes of this pair
- improving ← immproving · imporving · impproving · improivng · improvign · improvingg · improvinng · improvnig
- improvising ← immprovising · imporvising · impprovising · improivsing · improviisng · improvisign · improvisingg · improvisinng
Frequently Asked Questions
Is swapping "improving" for "improvising" ever safe?
Frequency check: "improving" vs "improvising" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "improving" and "improvising".
- Full dictionary entry for "improving" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "improvising" - compare definitions side by side with the headword page. Word entry
- This pair ranks #246,708 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "improving" and "improvising" also get mixed up with nearby pairs, the highest-scored neighbour is "improving vs improvise". 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 #246,708 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.