mortvsmouWhat's the difference?

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

Which to use

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

#36,169
“mort” frequency rank
#46,072
“mou” frequency rank
82241
confusion score

Side-by-Side Comparison

Feature mort mou
Definition Muerte. Blando.

Where the eye mixes mort and mou

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. mort runs 4 letters (CVCC) against mou's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
mort
3 ch
mou

Why the eye confuses mort with mou

These two trip readers on the page rather than in the ear: mort is [ˈmɔɾt] while mou is [mu]. 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 82241, derived from the frequency rank of both members and their visual similarity.

mort is recorded at frequency rank #36,169, classified as anoun, pronounced [ˈmɔɾt]. mou is at rank #46,072, tagged as anadj, pronounced [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 82241, this pair ranks #9,448 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of mort vs mou

Shared letters: mo. Private to "mort": rt. Private to "mou": u.

"mort" · 4 letters · shape CVCC  ·  "mou" · 3 letters · shape CVV

Known mistypes of this pair

  • mort ← mmort · morrt · mortt · motr · mrot · omrt

Frequently Asked Questions

Is swapping "mort" for "mou" ever safe?
No - they are not even the same part of speech. "mort" is a noun and "mou" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "mort" or "mou" show up more?
"mort" is the more common of the two: it sits at frequency rank #36,169 in our Spanish list, against #46,072 for "mou". 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 "mort" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,448 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mort" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "mou vs mur". 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 #9,448 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