Which to use
“tanto” is an adverb and “tonto” is an adjective - they look or sound alike but fill different roles in a sentence.
- #242
- “tanto” frequency rank
- #19,014
- “tonto” frequency rank
- 19256
- confusion score
Side-by-Side Comparison
| Feature | tanto | tonto |
|---|---|---|
| Definition | em tal quantidade ou grau | que sente ou tem tonturas |
Where the eye mixes tanto and tonto
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between tanto and tonto
These two trip readers on the page rather than in the ear: tanto is /ˈtɐ̃.tu/ while tonto is /ˈtõ.tu/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “tanto” becomes o in “tonto”, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19256, derived from the frequency rank of both members and their visual similarity.
tanto is recorded at frequency rank #242, classified as anadv, pronounced /ˈtɐ̃.tu/. tonto is at rank #19,014, tagged as anadj, pronounced /ˈtõ.tu/.
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 19256, this pair ranks #51,524 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tanto vs tonto
Shared letters: not. Private to "tanto": a. Private to "tonto": -.
"tanto" · 5 letters · shape CVCCV · "tonto" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "tanto" and "tonto" be used interchangeably?
Which is more common, "tanto" or "tonto"?
Useful next steps
Eye-level mix-up between "tanto" and "tonto" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "tanto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tonto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #51,524 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "tanto" and "tonto" also get mixed up with nearby pairs, the highest-scored neighbour is "tengo vs tonto". 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 #51,524 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.