águavsaldaWhich spelling fits?

Which to use

“água” and “alda” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#254
“água” frequency rank
#30,810
“alda” frequency rank
31064
confusion score

Side-by-Side Comparison

Feature água alda
Definition substância (H₂O) líquida e incolor, insípida e inodora, essencial para a vida da maior parte dos organismos vivos e excelente solvente para muitas outras substâncias; óxido de hidrogênio vaga, onda marinha

Where the eye mixes água and alda

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. água (VCVV) and alda (VCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
água
4 ch
alda

Why the eye confuses água with alda

A purely visual mix-up. água (/ˈa.gwɐ/) and alda (/ˈal.da/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 31064, derived from the frequency rank of both members and their visual similarity.

água is recorded at frequency rank #254, classified as anoun, pronounced /ˈa.gwɐ/. alda is at rank #30,810, tagged as anoun, pronounced /ˈal.da/.

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 31064, this pair ranks #37,149 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of água vs alda

Shared letters: a. Private to "água": guá. Private to "alda": dl.

"água" · 4 letters · shape VCVV  ·  "alda" · 4 letters · shape VCCV

Known mistypes of this pair

  • alda ← adla · alad · aldda · allda · lada

Frequently Asked Questions

Is swapping "água" for "alda" ever safe?
No. They are said differently (/ˈa.gwɐ/ versus /ˈal.da/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "água" or "alda" show up more?
"água" is the more common of the two: it sits at frequency rank #254 in our Portuguese list, against #30,810 for "alda". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "água" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alda" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #37,149 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "água" and "alda" also get mixed up with nearby pairs, the highest-scored neighbour is "alda vs audaz". 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 #37,149 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list