Which to use
“tatu” and “tau” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,735
- “tatu” frequency rank
- #32,397
- “tau” frequency rank
- 53132
- confusion score
Side-by-Side Comparison
| Feature | tatu | tau |
|---|---|---|
| Definition | mamífero placentário desdentado de hábitos noturnos, possuindo uma couraça protetora às costas; da ordem dos cingulados, família dos dasipodídeos | nome da décima nona letra do alfabeto grego (Τ/τ) |
Where the eye mixes tatu and tau
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between tatu and tau
A purely visual mix-up. tatu (/ta.ˈtu/) and tau (/taw/) 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 53132, derived from the frequency rank of both members and their visual similarity.
tatu is recorded at frequency rank #20,735, classified as anoun, pronounced /ta.ˈtu/. tau is at rank #32,397, tagged as anoun, pronounced /taw/.
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 53132, this pair ranks #12,264 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of tatu vs tau
Shared letters: atu. Private to "tatu": -. Private to "tau": -.
"tatu" · 4 letters · shape CVCV · "tau" · 3 letters · shape CVV
Known mistypes of this pair
- tatu ← attu · tattu · taut · ttatu · ttau
Frequently Asked Questions
Can "tatu" and "tau" be used interchangeably?
Which is more common, "tatu" or "tau"?
What to do next
Eye-level mix-up between "tatu" and "tau" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "tatu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,264 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "tatu" and "tau" also get mixed up with nearby pairs, the highest-scored neighbour is "tau 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 #12,264 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.