dosvsdownWhich spelling fits?

Quick tell: dos is a num, down is an adverb, so they fill different roles in a sentence.

Which to use

“dos” is a num and “down” is an adverb - they look or sound alike but fill different roles in a sentence.

#57
“dos” frequency rank
#8,793
“down” frequency rank
8850
confusion score

Side-by-Side Comparison

Feature dos down
Definition Que consta de uno más que la unidad (1+1). Hacia abajo.

Where the eye mixes dos and down

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

3 ch
dos
4 ch
down

Why the eye confuses dos with down

These two trip readers on the page rather than in the ear: dos is [ˈd̪os] while down is /daʊn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 8850, derived from the frequency rank of both members and their visual similarity.

dos is recorded at frequency rank #57, classified as anum, pronounced [ˈd̪os]. down is at rank #8,793, tagged as anadv, pronounced /daʊn/.

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 8850, this pair ranks #303,715 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dos vs down

Shared letters: do. Private to "dos": s. Private to "down": nw.

"dos" · 3 letters · shape CVC  ·  "down" · 4 letters · shape CVCC

Known mistypes of this pair

  • downddown · donw · downn · dowwn · dwon · odwn

Frequently Asked Questions

Do "dos" and "down" mean the same thing in a sentence?
No - they are not even the same part of speech. "dos" is a num and "down" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dos" or "down"?
"dos" is the more common of the two: it sits at frequency rank #57 in our Spanish list, against #8,793 for "down". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "dos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "down" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #303,715 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "dos" and "down" also get mixed up with nearby pairs, the highest-scored neighbour is "dont vs down". 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 #303,715 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