MarkvsmeroConfusable pair

Quick tell: Mark is a noun, mero is an adjective, so they fill different roles in a sentence.

Which to use

“Mark” is a noun and “mero” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,587
“Mark” frequency rank
#12,105
“mero” frequency rank
14692
confusion score

Side-by-Side Comparison

Feature Mark mero
Definition Marcos simples

Where the eye mixes Mark and mero

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Mark
4 ch
mero

Look-alike desk: Mark vs mero

These two trip readers on the page rather than in the ear: Mark is /maːk/ (Austrália). while mero is /ˈmɛ.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 14692, derived from the frequency rank of both members and their visual similarity.

Mark is recorded at frequency rank #2,587, classified as anoun, pronounced /maːk/ (Austrália).. mero is at rank #12,105, tagged as anadj, pronounced /ˈmɛ.ɾu/.

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 14692, this pair ranks #57,309 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Mark vs mero

Shared letters: mr. Private to "Mark": ak. Private to "mero": eo.

"Mark" · 4 letters · shape CVCC  ·  "mero" · 4 letters · shape CVCV

Known mistypes of this pair

  • Markamrk · makr · markk · marrk · mmark · mrak
  • meroemro · meor · merro · mmero · mreo

Frequently Asked Questions

Is swapping "Mark" for "mero" ever safe?
No - they are not even the same part of speech. "Mark" is a noun and "mero" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "Mark" or "mero" show up more?
"Mark" is the more common of the two: it sits at frequency rank #2,587 in our Portuguese list, against #12,105 for "mero". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Mark" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,309 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Mark" and "mero" 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 #57,309 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