aludvsauxWhich spelling fits?

Quick tell: alud is a noun, aux is a contraction, so they fill different roles in a sentence.

Which to use

“alud” is a noun and “aux” is a contraction - they look or sound alike but fill different roles in a sentence.

#37,942
“alud” frequency rank
#32,511
“aux” frequency rank
70453
confusion score

Side-by-Side Comparison

Feature alud aux
Definition Derrumbe de las nieves de los montes a los valles en gran cantidad y con estrépito. Contracción de la preposición à y el artículo les; a las ; a los.

Where the eye mixes alud and aux

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

4 ch
alud
3 ch
aux

Look-alike desk: alud vs aux

These two trip readers on the page rather than in the ear: alud is [aˈluð̞] while aux is /o/. 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 (noun vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 70453, derived from the frequency rank of both members and their visual similarity.

alud is recorded at frequency rank #37,942, classified as anoun, pronounced [aˈluð̞]. aux is at rank #32,511, tagged as acontraction, pronounced /o/.

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 70453, this pair ranks #29,681 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of alud vs aux

Shared letters: au. Private to "alud": dl. Private to "aux": x.

"alud" · 4 letters · shape VCVC  ·  "aux" · 3 letters · shape VVC

Known mistypes of this pair

  • aludaldu · allud · aludd · auld · laud

Frequently Asked Questions

Can "alud" and "aux" be used interchangeably?
No - they are not even the same part of speech. "alud" is a noun and "aux" a contraction, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "alud" vs "aux" - which ranks higher?
"aux" is the more common of the two: it sits at frequency rank #32,511 in our Spanish list, against #37,942 for "alud". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "alud" and "aux" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "alud" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,681 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alud" and "aux" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs alud". 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 #29,681 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