cerrovscésioTell them apart

Which to use

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

#22,250
“cerro” frequency rank
#41,427
“césio” frequency rank
63677
confusion score

Side-by-Side Comparison

Feature cerro césio
Definition elevação no terreno formando um monte pequeno e com penhasco elemento químico de símbolo Cs, possui o número atômico 55 e massa atômica relativa 132,905 u; é um metal alcalino, de coloração ouro prateado; é encontrado em minerais de potássio, tais como micas, berílio, feldspatos e a polucita (alumínio-silicato de césio); o césio metálico é utilizado na fabricação de células fotoelétricas e detectores de infravermelho

Where the eye mixes cerro and césio

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

5 ch
cerro
5 ch
césio

Visual trap between cerro and césio

A purely visual mix-up. cerro (/ˈse.ʁu/ [ˈse.hu]) and césio (/ˈsɛzju/) 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 63677, derived from the frequency rank of both members and their visual similarity.

cerro is recorded at frequency rank #22,250, classified as anoun, pronounced /ˈse.ʁu/ [ˈse.hu]. césio is at rank #41,427, tagged as anoun, pronounced /ˈsɛzju/.

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 63677, this pair ranks #6,089 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of cerro vs césio

Shared letters: co. Private to "cerro": er. Private to "césio": isé.

"cerro" · 5 letters · shape CVCCV  ·  "césio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • cerroccerro · cero · ceror · crero · ecrro

Frequently Asked Questions

Do "cerro" and "césio" mean the same thing in a sentence?
No. They are said differently (/ˈse.ʁu/ [ˈse.hu] versus /ˈsɛzju/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cerro" or "césio"?
"cerro" is the more common of the two: it sits at frequency rank #22,250 in our Portuguese list, against #41,427 for "césio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "cerro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "césio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,089 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cerro" and "césio" also get mixed up with nearby pairs, the highest-scored neighbour is "césio vs cisto". 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 #6,089 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