Which to use
“mo” is an adjective and “mol” is a noun - they look or sound alike but fill different roles in a sentence.
- #7,460
- “mo” frequency rank
- #40,405
- “mol” frequency rank
- 47865
- confusion score
Side-by-Side Comparison
| Feature | mo | mol |
|---|---|---|
| Definition | Mi, mío. | 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 spellings diverge
Shared letters are muted; the letters that actually set mo and mol apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
mo and mol form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “mo” sits inside “mol” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 47865, derived from the frequency rank of both members and their visual similarity.
mo is recorded at frequency rank #7,460, classified as anadj. 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 47865, this pair ranks #117,661 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "mo" and "mol" be used interchangeably?
Remembering mo vs mol
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “mo”; for a noun, it's “mol”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “mo” entry
- Browse more pairs most likely to be confused. Most confusable