Which to use
“césio” is a noun and “cheio” is an adjective - they look or sound alike but fill different roles in a sentence.
- #41,427
- “césio” frequency rank
- #1,424
- “cheio” frequency rank
- 42851
- confusion score
Side-by-Side Comparison
| Feature | césio | cheio |
|---|---|---|
| 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 | completamente preenchido; que contém o máximo que pode conter |
Where the eye mixes césio and cheio
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. césio (CVCVV) and cheio (CCVVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses césio with cheio
These two trip readers on the page rather than in the ear: césio is /ˈsɛzju/ while cheio is /ˈʃɐj.u/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42851, 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/. cheio is at rank #1,424, tagged as anadj, pronounced /ˈʃɐj.u/.
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 42851, this pair ranks #22,863 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of césio vs cheio
Shared letters: cio. Private to "césio": sé. Private to "cheio": eh.
"césio" · 5 letters · shape CVCVV · "cheio" · 5 letters · shape CCVVV
Known mistypes of this pair
- cheio ← ccheio · cehio · cheoi · chheio · chieo · hceio
Frequently Asked Questions
Can "césio" and "cheio" be used interchangeably?
In ordinary Portuguese text, does "césio" or "cheio" show up more?
Useful next steps
Eye-level mix-up between "césio" and "cheio" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "césio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cheio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #22,863 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "césio" and "cheio" 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 #22,863 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.