molvsmoralWhat's the difference?

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

Which to use

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

#40,405
“mol” frequency rank
#1,866
“moral” frequency rank
42271
confusion score

Side-by-Side Comparison

Feature mol moral
Definition Unidad de cantidad de sustancia empleada en el Sistema Internacional de Unidades, definida como la cantidad de sustancia de un sistema que contiene tantos entes elementales como átomos hay en 0,012 kg del nucleído carbono-12, o como la cantidad de una sustancia cuyo peso en gramos equivale a su número atómico. Si se emplea para expresar la cantidad de una sustancia, debe indicarse a qué tipo de unidades corresponde: átomos, moléculas, etc. El número de unidades contenidas está representado por el número de Avogadro. Que pertenece o concierne a las costumbres o conductas.

Where the eye mixes mol and moral

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mol runs 3 letters (CVC) against moral's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
mol
5 ch
moral

Look-alike desk: mol vs moral

These two trip readers on the page rather than in the ear: mol is [ˈmol] while moral is [moˈɾal]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 42271, derived from the frequency rank of both members and their visual similarity.

mol is recorded at frequency rank #40,405, classified as anoun, pronounced [ˈmol]. moral is at rank #1,866, tagged as anadj, pronounced [moˈɾal].

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 42271, this pair ranks #149,159 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mol vs moral

Shared letters: lmo. Private to "mol": -. Private to "moral": ar.

"mol" · 3 letters · shape CVC  ·  "moral" · 5 letters · shape CVCVC

Known mistypes of this pair

  • moral ← mmoral · moarl · morall · morla · mroal · omral

Frequently Asked Questions

Is swapping "mol" for "moral" ever safe?
No - they are not even the same part of speech. "mol" is a noun and "moral" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mol" vs "moral" - which ranks higher?
"moral" is the more common of the two: it sits at frequency rank #1,866 in our Spanish list, against #40,405 for "mol". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "mol" and "moral" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mol" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "moral" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #149,159 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mol" and "moral" also get mixed up with nearby pairs, the highest-scored neighbour is "mol 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 #149,159 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