Which to use
“indisputable” is an adjective and “indisputably” is an adverb - they look or sound alike but fill different roles in a sentence.
- #34,937
- “indisputable” frequency rank
- #47,117
- “indisputably” frequency rank
- 82054
- confusion score
Side-by-Side Comparison
| Feature | indisputable | indisputably |
|---|---|---|
| Definition | Not disputable; not open to question; obviously true | In a manner that is incapable of being disputed or argued against. |
Where the eye mixes indisputable and indisputably
Muted = shared; highlighted = the visual trap. They share 11 letters in sequence.
Why the eye confuses indisputable with indisputably
These two trip readers on the page rather than in the ear: indisputable is /ˌɪn.dɪˈspjuː.tə.bəɫ/ while indisputably is /ˌɪn.dɪˈspju.tə.bli/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “indisputable” becomes y in “indisputably”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 82054, derived from the frequency rank of both members and their visual similarity.
indisputable is recorded at frequency rank #34,937, classified as anadj, pronounced /ˌɪn.dɪˈspjuː.tə.bəɫ/. indisputably is at rank #47,117, tagged as anadv, pronounced /ˌɪn.dɪˈspju.tə.bli/.
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 82054, this pair ranks #16,499 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of indisputable vs indisputably
Shared letters: abdilnpstu. Private to "indisputable": e. Private to "indisputably": y.
"indisputable" · 12 letters · shape VCCVCCVCVCCV · "indisputably" · 12 letters · shape VCCVCCVCVCCV
Known mistypes of this pair
- indisputable ← idnisputable · inddisputable · indipsutable · indispputable · indisptuable · indispuatble · indisputabble · indisputabel
- indisputably ← idnisputably · inddisputably · indipsutably · indispputably · indisptuably · indispuatbly · indisputabbly · indisputablly
Frequently Asked Questions
Can "indisputable" and "indisputably" be used interchangeably?
Frequency check: "indisputable" vs "indisputably" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "indisputable" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "indisputably" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,499 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- 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 #16,499 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.