intovsissoWhich spelling fits?

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

Which to use

“into” is a preposition and “isso” is a pronoun - they look or sound alike but fill different roles in a sentence.

#10,024
“into” frequency rank
#40
“isso” frequency rank
10064
confusion score

Side-by-Side Comparison

Feature into isso
Definition em essa coisa ou esse assunto; essas coisas; esses assuntos

Letter map: into vs isso

Shared letters muted; letters that set into and isso apart highlighted. Shared run: 2.

4 ch
into
4 ch
isso

Grammar separator: into vs isso

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: into is apreposition and issoapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 10064, derived from the frequency rank of both members and their visual similarity.

into is recorded at frequency rank #10,024, classified as aprep, pronounced /ˈɪn.tuː/, X-SAMPA: /"Intu:/. 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 10064, this pair ranks #63,157 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of into vs isso

Shared letters: io. Private to "into": nt. Private to "isso": s.

"into" · 4 letters · shape VCCV  ·  "isso" · 4 letters · shape VCCV

Known mistypes of this pair

  • intoinnto · inot · intto · itno · nito
  • issoiso · isos · siso

Frequently Asked Questions

Do "into" and "isso" mean the same thing in a sentence?
No - they are not even the same part of speech. "into" is a preposition and "isso" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "into" or "isso"?
"isso" is the more common of the two: it sits at frequency rank #40 in our Portuguese list, against #10,024 for "into". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "into" and "isso".

  • Full dictionary entry for "into" 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 #63,157 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "into" and "isso" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs into". 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 #63,157 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list