matvsmerWhich spelling fits?

Which to use

“mat” and “mer” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,805
“mat” frequency rank
#22,090
“mer” frequency rank
43895
confusion score

Side-by-Side Comparison

Feature mat mer
Definition casamento mar

Where the eye mixes mat and mer

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. mat and mer follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
mat
3 ch
mer

Look-alike desk: mat vs mer

A purely visual mix-up. mat (/mat/) and mer (/mɛʁ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43895, 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/. mer is at rank #22,090, tagged as anoun, pronounced /mɛʁ/.

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 43895, this pair ranks #21,674 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mat vs mer

Shared letters: m. Private to "mat": at. Private to "mer": er.

"mat" · 3 letters · shape CVC  ·  "mer" · 3 letters · shape CVC

Frequently Asked Questions

Can "mat" and "mer" be used interchangeably?
No. They are said differently (/mat/ versus /mɛʁ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "mat" or "mer" show up more?
"mat" is the more common of the two: it sits at frequency rank #21,805 in our Portuguese list, against #22,090 for "mer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "mat" and "mer" 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 "mer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,674 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mat" and "mer" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mer". Nearby pair

Confusion rank #21,674 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list