merovsmesmoWhat's the difference?

Which to use

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

#12,105
“mero” frequency rank
#56
“mesmo” frequency rank
12161
confusion score

Side-by-Side Comparison

Feature mero mesmo
Definition simples que tem igualdade de caráter

Where the eye mixes mero and mesmo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
mero
5 ch
mesmo

Why the eye confuses mero with mesmo

A purely visual mix-up. mero (/ˈmɛ.ɾu/) and mesmo (/ˈmeʒ.mu/) 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 12161, derived from the frequency rank of both members and their visual similarity.

mero is recorded at frequency rank #12,105, classified as anadj, pronounced /ˈmɛ.ɾu/. mesmo is at rank #56, tagged as anadj, pronounced /ˈmeʒ.mu/.

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 12161, this pair ranks #60,513 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mero vs mesmo

Shared letters: emo. Private to "mero": r. Private to "mesmo": s.

"mero" · 4 letters · shape CVCV  ·  "mesmo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • meroemro · meor · merro · mmero · mreo
  • mesmoemsmo · memso · mesmmo · mesom · messmo · mmesmo · msemo

Frequently Asked Questions

Do "mero" and "mesmo" mean the same thing in a sentence?
No. They are said differently (/ˈmɛ.ɾu/ versus /ˈmeʒ.mu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "mero" or "mesmo" show up more?
"mesmo" is the more common of the two: it sits at frequency rank #56 in our Portuguese list, against #12,105 for "mero". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "mero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mesmo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,513 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mero" and "mesmo" also get mixed up with nearby pairs, the highest-scored neighbour is "mero vs muso". 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 #60,513 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