mermavsmoraWhat's the difference?

Which to use

“merma” and “mora” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,448
“merma” frequency rank
#6,329
“mora” frequency rank
34777
confusion score

Side-by-Side Comparison

Feature merma mora
Definition Acción o efecto de mermar. Tardanza en cumplir obligaciones y compromisos legales, como una deuda.

Where the eye mixes merma and mora

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
merma
4 ch
mora

Why the eye confuses merma with mora

A purely visual mix-up. merma ([ˈmeɾma]) and mora ([ˈmoɾa]) 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 1 letter(s) in length. Our composite confusion score for this pair is 34777, derived from the frequency rank of both members and their visual similarity.

merma is recorded at frequency rank #28,448, classified as anoun, pronounced [ˈmeɾma]. mora is at rank #6,329, tagged as anoun, pronounced [ˈmoɾa].

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 34777, this pair ranks #189,623 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of merma vs mora

Shared letters: amr. Private to "merma": e. Private to "mora": o.

"merma" · 5 letters · shape CVCCV  ·  "mora" · 4 letters · shape CVCV

Known mistypes of this pair

  • mermaemrma · memra · meram · mermma · merrma · mmerma · mrema
  • morammora · moar · morra · mroa · omra

Frequently Asked Questions

Is swapping "merma" for "mora" ever safe?
No. They are said differently ([ˈmeɾma] versus [ˈmoɾa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "merma" or "mora"?
"mora" is the more common of the two: it sits at frequency rank #6,329 in our Spanish list, against #28,448 for "merma". 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 "merma" and "mora" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "merma" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mora" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #189,623 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "merma" and "mora" also get mixed up with nearby pairs, the highest-scored neighbour is "mepa vs merma". 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 #189,623 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