isso

pron

The verdict

“isso” is in the everyday core of Portuguese, ranked #40 in Portuguese word frequency and used as a pronoun.

#40
frequency rank, Portuguese
4
letters
3
tracked misspellings
15
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - essa coisa ou esse assunto; essas coisas; esses assuntos

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

isso vs its
50% similar
isso vs isto
75% similar
isso vs issue
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for isso
PropertyValue
Headwordisso
LanguagePortuguese
Part of speechPronoun
Letters4
Frequency rank#40
Misspellings tracked3
Confusable pairs15
SourceWiktionary (kaikki.org)

Where “isso” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). isso lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Portuguese entry for isso is 4 letters long, classified as a pronoun. Corpus data places it at rank #40 in overall Portuguese word frequency, putting it firmly in the everyday core of the language. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 3 likely wrong-spelling variants for isso, with forms such as "iso", "isos", and "siso". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 15 confusable-pair relationships, "its", "isto", "issue", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Portuguese form is isso, spelled I-S-S-O.

Definition

  1. 1
    essa coisa ou esse assunto; essas coisas; esses assuntos
  2. 2
    referência a coisa específica que está perto da pessoa com quem se fala ou a assunto acabado de discutir

This word in other languages

Common misspellings

Also misspelled as: iso,isos,siso

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of isso - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

iso1isos2siso2
Edit distance from "isso"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "isso"?
"isso" is spelled I-S-S-O.
What does "isso" mean?
As a pronoun, "isso" means: essa coisa ou esse assunto; essas coisas; esses assuntos
What words are commonly confused with "isso"?
"isso" is commonly confused with "its", "isto", "issue". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "isso" come from?
"isso" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “isso”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Portuguese spelling is I-S-S-O - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “its” - see the side-by-side comparison. isso vs its
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list