mervsmercyTell them apart

Which to use

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

#22,090
“mer” frequency rank
#16,818
“mercy” frequency rank
38908
confusion score

Side-by-Side Comparison

Feature mer mercy
Definition mar misericórdia

Where the eye mixes mer and mercy

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mer runs 3 letters (CVC) against mercy's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
mer
5 ch
mercy

Look-alike desk: mer vs mercy

A purely visual mix-up. mer (/mɛʁ/) and mercy (/ˈmɜrsi/) 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) - “mer” sits inside “mercy”. Our composite confusion score for this pair is 38908, derived from the frequency rank of both members and their visual similarity.

mer is recorded at frequency rank #22,090, classified as anoun, pronounced /mɛʁ/. mercy is at rank #16,818, tagged as anoun, pronounced /ˈmɜrsi/.

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 38908, this pair ranks #27,466 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mer vs mercy

Shared letters: emr. Private to "mer": -. Private to "mercy": cy.

"mer" · 3 letters · shape CVC  ·  "mercy" · 5 letters · shape CVCCV

Known mistypes of this pair

  • mercy ← emrcy · mecry · merccy · mercyy · merrcy · meryc · mmercy · mrecy

Frequently Asked Questions

Is swapping "mer" for "mercy" ever safe?
No. They are said differently (/mɛʁ/ versus /ˈmɜrsi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mer" or "mercy"?
"mercy" is the more common of the two: it sits at frequency rank #16,818 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.

After this comparison

Eye-level mix-up between "mer" and "mercy" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mercy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,466 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mer" and "mercy" 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 #27,466 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