sodavssódioWhat's the difference?

Which to use

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

#22,167
“soda” frequency rank
#10,278
“sódio” frequency rank
32445
confusion score

Side-by-Side Comparison

Feature soda sódio
Definition soda cáustica elemento químico de símbolo Na, possui o número atômico 11 e massa atômica relativa de 22.989; é um metal alcalino, sólido na temperatura ambiente, com coloração branco prateado; é encontrado em grande quantidade na forma de cloreto de sódio (sal) nas águas marinhas; é a principal matéria-prima para obtenção de outros sais

Where the eye mixes soda and sódio

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. soda runs 4 letters (CVCV) against sódio's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
soda
5 ch
sódio

Why the eye confuses soda with sódio

A purely visual mix-up. soda (/ˈsɔ.dɐ/) and sódio (/ˈsɔdju/) 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 32445, derived from the frequency rank of both members and their visual similarity.

soda is recorded at frequency rank #22,167, classified as anoun, pronounced /ˈsɔ.dɐ/. sódio is at rank #10,278, tagged as anoun, pronounced /ˈsɔdju/.

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 32445, this pair ranks #35,367 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of soda vs sódio

Shared letters: dos. Private to "soda": a. Private to "sódio": ió.

"soda" · 4 letters · shape CVCV  ·  "sódio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • soda ← osda · sdoa · soad · sodda · ssoda

Frequently Asked Questions

Do "soda" and "sódio" mean the same thing in a sentence?
No. They are said differently (/ˈsɔ.dɐ/ versus /ˈsɔdju/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "soda" or "sódio" show up more?
"sódio" is the more common of the two: it sits at frequency rank #10,278 in our Portuguese list, against #22,167 for "soda". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "soda" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sódio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #35,367 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "soda" and "sódio" also get mixed up with nearby pairs, the highest-scored neighbour is "soap vs soda". 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 #35,367 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