césiovscistoTell them apart

Which to use

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

#41,427
“césio” frequency rank
#39,054
“cisto” frequency rank
80481
confusion score

Side-by-Side Comparison

Feature césio cisto
Definition 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 saco fechado que tem uma membrana e divisão distintas do tecido circundante

Letter map: césio vs cisto

Shared letters muted; letters that set césio and cisto apart highlighted. Shared run: 3. césio (CVCVV) and cisto (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
césio
5 ch
cisto

Pair insight - césio / cisto

césio and cisto are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 80481, derived from the frequency rank of both members and their visual similarity.

césio is recorded at frequency rank #41,427, classified as anoun, pronounced /ˈsɛzju/. cisto is at rank #39,054, tagged as anoun.

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 80481, this pair ranks #1,316 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of césio vs cisto

Shared letters: cios. Private to "césio": é. Private to "cisto": t.

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

Known mistypes of this pair

  • cisto ← ccisto · cisot · cissto · cistto · citso · csito · icsto

Frequently Asked Questions

Do "césio" and "cisto" mean the same thing in a sentence?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "césio" vs "cisto" - which ranks higher?
"cisto" is the more common of the two: it sits at frequency rank #39,054 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.

Useful next steps

Done with this confusable. These links stay specific to "césio" and "cisto".

  • Full dictionary entry for "césio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cisto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,316 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "césio" and "cisto" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao 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 #1,316 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