Which to use
“ilusão” and “infusão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,857
- “ilusão” frequency rank
- #32,645
- “infusão” frequency rank
- 38502
- confusion score
Side-by-Side Comparison
| Feature | ilusão | infusão |
|---|---|---|
| Definition | qualquer coisa que pareça ser algo que não é | operação de deixar de molho em água quente uma ou mais substâncias por tempo variável para extrair-lhes os princípios solúveis |
Where the eye mixes ilusão and infusão
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between ilusão and infusão
A purely visual mix-up. ilusão (/i.luˈzɐ̃w̃/) and infusão (/ĩ.fu.ˈzɐ̃w̃/) 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 38502, derived from the frequency rank of both members and their visual similarity.
ilusão is recorded at frequency rank #5,857, classified as anoun, pronounced /i.luˈzɐ̃w̃/. infusão is at rank #32,645, tagged as anoun, pronounced /ĩ.fu.ˈzɐ̃w̃/.
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 38502, this pair ranks #27,947 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ilusão vs infusão
Shared letters: iosuã. Private to "ilusão": l. Private to "infusão": fn.
"ilusão" · 6 letters · shape VCVCVV · "infusão" · 7 letters · shape VCCVCVV
Frequently Asked Questions
Can "ilusão" and "infusão" be used interchangeably?
Which is more common, "ilusão" or "infusão"?
After this comparison
Eye-level mix-up between "ilusão" and "infusão" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ilusão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "infusão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #27,947 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ilusão" and "infusão" also get mixed up with nearby pairs, the highest-scored neighbour is "infeção vs infusão". Nearby pair
Confusion rank #27,947 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.