Which to use
“mars” and “mer” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,305
- “mars” frequency rank
- #22,090
- “mer” frequency rank
- 33395
- confusion score
Side-by-Side Comparison
| Feature | mars | mer |
|---|---|---|
| Definition | março | mar |
Where the eye mixes mars and mer
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses mars with mer
A purely visual mix-up. mars (/maʁs/) 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 33395, derived from the frequency rank of both members and their visual similarity.
mars is recorded at frequency rank #11,305, classified as anoun, pronounced /maʁs/. 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 33395, this pair ranks #34,147 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mars vs mer
Shared letters: mr. Private to "mars": as. Private to "mer": e.
"mars" · 4 letters · shape CVCC · "mer" · 3 letters · shape CVC
Known mistypes of this pair
- mars ← amrs · marrs · marss · masr · mmars · mras
Frequently Asked Questions
Can "mars" and "mer" be used interchangeably?
Which is more common, "mars" or "mer"?
After this comparison
Eye-level mix-up between "mars" and "mer" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "mars" 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 #34,147 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "mars" and "mer" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mer". 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 #34,147 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.