aguavsaúnWhich spelling fits?

Quick tell: agua is a noun, aún is an adverb, so they fill different roles in a sentence.

Which to use

“agua” is a noun and “aún” is an adverb - they look or sound alike but fill different roles in a sentence.

#253
“agua” frequency rank
#240
“aún” frequency rank
493
confusion score

Side-by-Side Comparison

Feature agua aún
Definition Sustancia transparente, inodora e insípida, que se encuentra en estado líquido a temperatura y presión estándar, y cuya composición molecular es de dos átomos de hidrógeno por uno de oxígeno. Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo..

Where the eye mixes agua and aún

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
agua
3 ch
aún

Why the eye confuses agua with aún

These two trip readers on the page rather than in the ear: agua is [ˈaɣ̞wa] while aún is [aˈũn]. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 493, derived from the frequency rank of both members and their visual similarity.

agua is recorded at frequency rank #253, classified as anoun, pronounced [ˈaɣ̞wa]. aún is at rank #240, tagged as anadv, pronounced [aˈũn].

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 493, this pair ranks #323,353 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of agua vs aún

Shared letters: a. Private to "agua": gu. Private to "aún": .

"agua" · 4 letters · shape VCVV  ·  "aún" · 3 letters · shape VVC

Known mistypes of this pair

  • aguaagau · aggua · auga · gaua

Frequently Asked Questions

Can "agua" and "aún" be used interchangeably?
No - they are not even the same part of speech. "agua" is a noun and "aún" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "agua" vs "aún" - which ranks higher?
"aún" is the more common of the two: it sits at frequency rank #240 in our Spanish list, against #253 for "agua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "agua" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aún" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #323,353 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "agua" and "aún" also get mixed up with nearby pairs, the highest-scored neighbour is "agua vs anta". 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 #323,353 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