manchavsmancharTell them apart

Quick tell: mancha is a noun, manchar is a verb, so they fill different roles in a sentence.

Which to use

“mancha” is a noun and “manchar” is a verb - they look or sound alike but fill different roles in a sentence.

#7,658
“mancha” frequency rank
#31,443
“manchar” frequency rank
39101
confusion score

Side-by-Side Comparison

Feature mancha manchar
Definition defeito; imperfeição; labéu; laivo; nódoa; mácula; malha; pinta sujar, poluir

Where the eye mixes mancha and manchar

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
mancha
7 ch
manchar

Why the eye confuses mancha with manchar

These two trip readers on the page rather than in the ear: mancha is /ˈmɐ̃.ʃɐ/ while manchar is /mɐ̃.ˈʃaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “mancha” sits inside “manchar”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 39101, derived from the frequency rank of both members and their visual similarity.

mancha is recorded at frequency rank #7,658, classified as anoun, pronounced /ˈmɐ̃.ʃɐ/. manchar is at rank #31,443, tagged as averb, pronounced /mɐ̃.ˈʃaɾ/.

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 39101, this pair ranks #27,238 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mancha vs manchar

Shared letters: achmn. Private to "mancha": -. Private to "manchar": r.

"mancha" · 6 letters · shape CVCCCV  ·  "manchar" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • manchaamncha · macnha · mancah · manccha · manchha · manhca · manncha · mmancha
  • mancharamnchar · macnhar · mancahr · mancchar · mancharr · manchhar · manchra · manhcar

Frequently Asked Questions

Is swapping "mancha" for "manchar" ever safe?
No - they are not even the same part of speech. "mancha" is a noun and "manchar" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mancha" or "manchar"?
"mancha" is the more common of the two: it sits at frequency rank #7,658 in our Portuguese list, against #31,443 for "manchar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "mancha" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "manchar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,238 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mancha" and "manchar" also get mixed up with nearby pairs, the highest-scored neighbour is "manchar vs manhas". 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 #27,238 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