Which to use
“dat” is a pronoun and “def” is an adjective - they look or sound alike but fill different roles in a sentence.
- #49,908
- “dat” frequency rank
- #32,132
- “def” frequency rank
- 82040
- confusion score
Side-by-Side Comparison
| Feature | dat | def |
|---|---|---|
| Definition | aquele; pronome neutro que se refere a algo ou alguém distante de quem fala | algo muito bom |
Where the eye mixes dat and def
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. dat and def follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: dat vs def
These two trip readers on the page rather than in the ear: dat is [dɑt] while def is /dɛf/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (pronoun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 82040, derived from the frequency rank of both members and their visual similarity.
dat is recorded at frequency rank #49,908, classified as apron, pronounced [dɑt]. def is at rank #32,132, tagged as anadj, pronounced /dɛf/.
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 82040, this pair ranks #1,081 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of dat vs def
Shared letters: d. Private to "dat": at. Private to "def": ef.
"dat" · 3 letters · shape CVC · "def" · 3 letters · shape CVC
Frequently Asked Questions
Do "dat" and "def" mean the same thing in a sentence?
In ordinary Portuguese text, does "dat" or "def" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "dat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "def" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,081 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "dat" and "def" also get mixed up with nearby pairs, the highest-scored neighbour is "damo vs dat". Nearby pair
Confusion rank #1,081 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.