Which to use
“mat” and “mater” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,805
- “mat” frequency rank
- #31,868
- “mater” frequency rank
- 53673
- confusion score
Side-by-Side Comparison
| Feature | mat | mater |
|---|---|---|
| Definition | casamento | maternidade, estabelecimento público ou privado destinado a receber mulheres que estão a ponto de dar a luz |
Where the eye mixes mat and mater
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses mat with mater
A purely visual mix-up. mat (/mat/) and mater (/ma.tɛʁ/) 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 2 extra letter(s) - “mat” sits inside “mater”. Our composite confusion score for this pair is 53673, derived from the frequency rank of both members and their visual similarity.
mat is recorded at frequency rank #21,805, classified as anoun, pronounced /mat/. mater is at rank #31,868, tagged as anoun, pronounced /ma.tɛʁ/.
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 53673, this pair ranks #11,867 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of mat vs mater
Shared letters: amt. Private to "mat": -. Private to "mater": er.
"mat" · 3 letters · shape CVC · "mater" · 5 letters · shape CVCVC
Known mistypes of this pair
- mater ← amter · maetr · materr · mmater · mtaer
Frequently Asked Questions
Is swapping "mat" for "mater" ever safe?
Which is more common, "mat" or "mater"?
Useful next steps
Eye-level mix-up between "mat" and "mater" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "mat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mater" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,867 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "mat" and "mater" also get mixed up with nearby pairs, the highest-scored neighbour is "mater vs matiz". 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 #11,867 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.