millvsmolWhat's the difference?

Which to use

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

#15,164
“mill” frequency rank
#40,405
“mol” frequency rank
55569
confusion score

Side-by-Side Comparison

Feature mill mol
Definition Fabrica de papel, acero o textiles. 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 mill and mol

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
mill
3 ch
mol

Look-alike desk: mill vs mol

A purely visual mix-up. mill (/mɪl/) and mol ([ˈmol]) 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 55569, derived from the frequency rank of both members and their visual similarity.

mill is recorded at frequency rank #15,164, classified as anoun, pronounced /mɪl/. 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 55569, this pair ranks #78,319 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of mill vs mol

Shared letters: lm. Private to "mill": i. Private to "mol": o.

"mill" · 4 letters · shape CVCC  ·  "mol" · 3 letters · shape CVC

Known mistypes of this pair

  • millimll · mlil · mmill

Frequently Asked Questions

Is swapping "mill" for "mol" ever safe?
No. They are said differently (/mɪl/ versus [ˈmol]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "mill" or "mol" show up more?
"mill" is the more common of the two: it sits at frequency rank #15,164 in our Spanish list, against #40,405 for "mol". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "mill" 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 #78,319 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mill" and "mol" 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 #78,319 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