morsavsmortalWhich spelling fits?

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

Which to use

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

#37,735
“morsa” frequency rank
#5,138
“mortal” frequency rank
42873
confusion score

Side-by-Side Comparison

Feature morsa mortal
Definition (Odobenus rosmarus) Mamífero pinnípedo semiacuático de gran tamaño que habita en los mares ártico. Los machos superan los 3,5 m de largo y los 1.800 kg de peso, con el cuerpo fusiforme y las extremidades reducidas a aletas; su rasgo más distintivo es la extrema longitud de los colmillos, que salen de la boca superando los 50 cm de longitud. La piel es gruesa, cubierta de un corto y duro pelaje, y poseen una importante capa de grasa subcutánea. Son piscívoros. Forman manadas numerosas, y alcanzan los 50 años de edad. Que pertenece o concierne a la muerte.

Where the eye mixes morsa and mortal

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. morsa runs 5 letters (CVCCV) against mortal's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
morsa
6 ch
mortal

Why the eye confuses morsa with mortal

These two trip readers on the page rather than in the ear: morsa is [ˈmoɾsa] while mortal is [moɾˈt̪al]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42873, derived from the frequency rank of both members and their visual similarity.

morsa is recorded at frequency rank #37,735, classified as anoun, pronounced [ˈmoɾsa]. mortal is at rank #5,138, tagged as anadj, pronounced [moɾˈt̪al].

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 42873, this pair ranks #145,813 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of morsa vs mortal

Shared letters: amor. Private to "morsa": s. Private to "mortal": lt.

"morsa" · 5 letters · shape CVCCV  ·  "mortal" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • morsa ← mmorsa · moras · morrsa · morssa · mosra · mrosa · omrsa
  • mortal ← mmortal · moratl · morrtal · mortall · mortla · morttal · motral · mrotal

Frequently Asked Questions

Can "morsa" and "mortal" be used interchangeably?
No - they are not even the same part of speech. "morsa" is a noun and "mortal" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "morsa" or "mortal" show up more?
"mortal" is the more common of the two: it sits at frequency rank #5,138 in our Spanish list, against #37,735 for "morsa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "mortal" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #145,813 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "morsa" and "mortal" also get mixed up with nearby pairs, the highest-scored neighbour is "morral 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 #145,813 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list