Which to use
“thin” is an adjective and “tio” is a noun - they look or sound alike but fill different roles in a sentence.
- #34,948
- “thin” frequency rank
- #2,211
- “tio” frequency rank
- 37159
- confusion score
Side-by-Side Comparison
| Feature | thin | tio |
|---|---|---|
| Definition | delgado | irmão da mãe ou do pai |
Where the eye mixes thin and tio
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses thin with tio
These two trip readers on the page rather than in the ear: thin is /'θɪn/ while tio is /ti.u/ [t͡ʃiu̯], [tiu̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37159, derived from the frequency rank of both members and their visual similarity.
thin is recorded at frequency rank #34,948, classified as anadj, pronounced /'θɪn/. tio is at rank #2,211, tagged as anoun, pronounced /ti.u/ [t͡ʃiu̯], [tiu̯].
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 37159, this pair ranks #29,518 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thin vs tio
Shared letters: it. Private to "thin": hn. Private to "tio": o.
"thin" · 4 letters · shape CCVC · "tio" · 3 letters · shape CVV
Known mistypes of this pair
- thin ← htin · thhin · thinn · thni · tihn · tthin
Frequently Asked Questions
Can "thin" and "tio" be used interchangeably?
Which is more common, "thin" or "tio"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "thin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #29,518 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "thin" and "tio" also get mixed up with nearby pairs, the highest-scored neighbour is "thin vs til". 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 #29,518 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.