Which to use
“mater” and “matter” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,868
- “mater” frequency rank
- #22,387
- “matter” frequency rank
- 54255
- confusion score
Side-by-Side Comparison
| Feature | mater | matter |
|---|---|---|
| Definition | maternidade, estabelecimento público ou privado destinado a receber mulheres que estão a ponto de dar a luz | matéria |
Where the eye mixes mater and matter
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. mater runs 5 letters (CVCVC) against matter's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: mater vs matter
A purely visual mix-up. mater (/ma.tɛʁ/) and matter (/ˈmætɚ/) 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 54255, derived from the frequency rank of both members and their visual similarity.
mater is recorded at frequency rank #31,868, classified as anoun, pronounced /ma.tɛʁ/. matter is at rank #22,387, tagged as anoun, pronounced /ˈmætɚ/.
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 54255, this pair ranks #11,403 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of mater vs matter
Shared letters: aemrt. Private to "mater": -. Private to "matter": -.
"mater" · 5 letters · shape CVCVC · "matter" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "mater" for "matter" ever safe?
Frequency check: "mater" vs "matter" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "mater" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "matter" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,403 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "mater" and "matter" 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 #11,403 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.