iodovsissoWhat's the difference?

Quick tell: iodo is a noun, isso is a pronoun, so they fill different roles in a sentence.

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

Where the spellings diverge

Shared letters are muted; the letters that actually set iodo and isso apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
iodo
4 ch
isso

Spelling & Dictionary Insight

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

  • iodoidoo · ioddo · iood · oido
  • issoiso · isos · siso

Frequency comparison

iodo#27,142
isso#40

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "iodo" and "isso" be used interchangeably?
No - they are not even the same part of speech. "iodo" is a noun and "isso" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "iodo" or "isso"?
"isso" is the more common of the two: it sits at frequency rank #40 in our Portuguese list, against #27,142 for "iodo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering iodo vs isso

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “iodo”; for a pronoun, it's “isso”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “iodo” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list