millónvsmillsWhich spelling fits?

Which to use

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

#2,217
“millón” frequency rank
#20,426
“mills” frequency rank
22643
confusion score

Side-by-Side Comparison

Feature millón mills
Definition Cantidad igual a mil millares, 1 000 000, 10⁶. Forma del plural de mill.

Where the eye mixes millón and mills

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
millón
5 ch
mills

Visual trap between millón and mills

A purely visual mix-up. millón ([miˈʝõn]) and mills (/mɪlz/) 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 22643, derived from the frequency rank of both members and their visual similarity.

millón is recorded at frequency rank #2,217, classified as anoun, pronounced [miˈʝõn]. mills is at rank #20,426, tagged as anoun, pronounced /mɪlz/.

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 22643, this pair ranks #249,395 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of millón vs mills

Shared letters: ilm. Private to "millón": . Private to "mills": s.

"millón" · 6 letters · shape CVCCVC  ·  "mills" · 5 letters · shape CVCCC

Known mistypes of this pair

  • millsimlls · millss · mils · milsl · mlils · mmills

Frequently Asked Questions

Is swapping "millón" for "mills" ever safe?
No. They are said differently ([miˈʝõn] versus /mɪlz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "millón" vs "mills" - which ranks higher?
"millón" is the more common of the two: it sits at frequency rank #2,217 in our Spanish list, against #20,426 for "mills". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "millón" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mills" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #249,395 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "millón" and "mills" also get mixed up with nearby pairs, the highest-scored neighbour is "mello vs mills". 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 #249,395 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