marsvsmarshConfusable pair

Which to use

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

#11,305
“mars” frequency rank
#25,040
“marsh” frequency rank
36345
confusion score

Side-by-Side Comparison

Feature mars marsh
Definition março brejo

Where the eye mixes mars and marsh

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
mars
5 ch
marsh

Look-alike desk: mars vs marsh

A purely visual mix-up. mars (/maʁs/) and marsh (/mɑɹʃ/) 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 extra letter(s) - “mars” sits inside “marsh”. Our composite confusion score for this pair is 36345, 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/. marsh is at rank #25,040, tagged as anoun, pronounced /mɑɹʃ/.

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 36345, this pair ranks #30,503 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mars vs marsh

Shared letters: amrs. Private to "mars": -. Private to "marsh": h.

"mars" · 4 letters · shape CVCC  ·  "marsh" · 5 letters · shape CVCCC

Known mistypes of this pair

  • marsamrs · marrs · marss · masr · mmars · mras
  • marshamrsh · marhs · marrsh · marshh · marssh · masrh · mmarsh · mrash

Frequently Asked Questions

Can "mars" and "marsh" be used interchangeably?
No. They are said differently (/maʁs/ versus /mɑɹʃ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mars" or "marsh"?
"mars" is the more common of the two: it sits at frequency rank #11,305 in our Portuguese list, against #25,040 for "marsh". 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 "mars" and "marsh" 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 "marsh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #30,503 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mars" and "marsh" also get mixed up with nearby pairs, the highest-scored neighbour is "marsh vs mesh". 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 #30,503 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