Which to use
“iodo” is a noun and “isso” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #27,142
- “iodo” frequency rank
- #40
- “isso” frequency rank
- 27182
- confusion score
Side-by-Side Comparison
| Feature | iodo | isso |
|---|---|---|
| Definition | elemento químico de símbolo I, possui o número atômico 53 e massa atômica relativa 126,904 u; é um não-metal, halogênio, de cor negra; apesar de abundante, não é encontrado livre na natureza, ocorrendo principalmente na forma de iodetos e iodatos em rochas, solos, água do mar e depósitos de sal; é utilizado principalmente na medicina, como desinfetante; é um elemento essencial para o corpo humano; sua falta provoca o hipotiroidismo causando o bócio e a mixedema | essa coisa ou esse assunto; essas coisas; esses assuntos |
Letter map: iodo vs isso
Shared letters muted; letters that set iodo and isso apart highlighted. Shared run: 2. iodo (VVCV) and isso (VCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - iodo and isso
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: iodo is anoun and issoapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 27182, derived from the frequency rank of both members and their visual similarity.
iodo is recorded at frequency rank #27,142, classified as anoun, pronounced /ˈjo.du/. isso is at rank #40, tagged as apron.
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 27182, this pair ranks #41,830 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of iodo vs isso
Shared letters: io. Private to "iodo": d. Private to "isso": s.
"iodo" · 4 letters · shape VVCV · "isso" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "iodo" for "isso" ever safe?
Which is more common, "iodo" or "isso"?
What to do next
Done with this confusable. These links stay specific to "iodo" and "isso".
- Full dictionary entry for "iodo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "isso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,830 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "iodo" and "isso" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs iodo". 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 #41,830 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.