Which to use
“mad” is an adjective and “mol” is a noun - they look or sound alike but fill different roles in a sentence.
- #14,642
- “mad” frequency rank
- #40,405
- “mol” frequency rank
- 55047
- confusion score
Side-by-Side Comparison
| Feature | mad | mol |
|---|---|---|
| Definition | Grafía alternativa de mat. | 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. |
Where the eye mixes mad and mol
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses mad with mol
These two trip readers on the page rather than in the ear: mad is /ˈmɑːt/ while mol is [ˈmol]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 55047, derived from the frequency rank of both members and their visual similarity.
mad is recorded at frequency rank #14,642, classified as anadj, pronounced /ˈmɑːt/. mol is at rank #40,405, tagged as anoun, pronounced [ˈmol].
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 55047, this pair ranks #80,637 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of mad vs mol
Shared letters: m. Private to "mad": ad. Private to "mol": lo.
"mad" · 3 letters · shape CVC · "mol" · 3 letters · shape CVC
Frequently Asked Questions
Do "mad" and "mol" mean the same thing in a sentence?
Which is more common, "mad" or "mol"?
After this comparison
Eye-level mix-up between "mad" and "mol" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "mad" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mol" - compare definitions side by side with the headword page. Word entry
- This pair ranks #80,637 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "mad" and "mol" also get mixed up with nearby pairs, the highest-scored neighbour is "mol vs mur". Nearby pair
Confusion rank #80,637 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.