morsavsmorseWhich spelling fits?

Which to use

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

#41,617
“morsa” frequency rank
#21,813
“morse” frequency rank
63430
confusion score

Side-by-Side Comparison

Feature morsa morse
Definition mamífero da espécie Odobenus rosmarus morsa (Odobenus rosmarus)

Where the eye mixes morsa and morse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. morsa and morse follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
morsa
5 ch
morse

Visual trap between morsa and morse

A purely visual mix-up. morsa (/ˈmɔɹ.sa/) and morse (/mɔʁs/) 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 a single letter - a in “morsa” becomes e in “morse”. Our composite confusion score for this pair is 63430, derived from the frequency rank of both members and their visual similarity.

morsa is recorded at frequency rank #41,617, classified as anoun, pronounced /ˈmɔɹ.sa/. morse is at rank #21,813, tagged as anoun, pronounced /mɔʁs/.

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 63430, this pair ranks #6,192 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of morsa vs morse

Shared letters: mors. Private to "morsa": a. Private to "morse": e.

"morsa" · 5 letters · shape CVCCV  ·  "morse" · 5 letters · shape CVCCV

Known mistypes of this pair

  • morsa ← mmorsa · moras · morrsa · morssa · mosra · mrosa · omrsa
  • morse ← mmorse · mores · morrse · morsse · mosre · mrose · omrse

Frequently Asked Questions

Do "morsa" and "morse" mean the same thing in a sentence?
No. They are said differently (/ˈmɔɹ.sa/ versus /mɔʁs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "morsa" or "morse"?
"morse" is the more common of the two: it sits at frequency rank #21,813 in our Portuguese list, against #41,617 for "morsa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "morsa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "morse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,192 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "morsa" and "morse" also get mixed up with nearby pairs, the highest-scored neighbour is "mirra vs morsa". 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 #6,192 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