Which to use
“tatu” is a noun and “that” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #20,735
- “tatu” frequency rank
- #3,648
- “that” frequency rank
- 24383
- confusion score
Side-by-Side Comparison
| Feature | tatu | that |
|---|---|---|
| Definition | mamífero placentário desdentado de hábitos noturnos, possuindo uma couraça protetora às costas; da ordem dos cingulados, família dos dasipodídeos | que |
Where the eye mixes tatu and that
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between tatu and that
These two trip readers on the page rather than in the ear: tatu is /ta.ˈtu/ while that is /ðæt/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 24383, 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/. that is at rank #3,648, tagged as aconj, pronounced /ðæt/.
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 24383, this pair ranks #45,244 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tatu vs that
Shared letters: at. Private to "tatu": u. Private to "that": h.
"tatu" · 4 letters · shape CVCV · "that" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Can "tatu" and "that" be used interchangeably?
Which is more common, "tatu" or "that"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "tatu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "that" - compare definitions side by side with the headword page. Word entry
- This pair ranks #45,244 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "tatu" and "that" also get mixed up with nearby pairs, the highest-scored neighbour is "tak vs tatu". 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 #45,244 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.