instruçãovsintrusãoWhich spelling fits?

Which to use

“instrução” and “intrusão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,079
“instrução” frequency rank
#27,905
“intrusão” frequency rank
33984
confusion score

Side-by-Side Comparison

Feature instrução intrusão
Definition o ato de instruir estado daquele ou daquilo que é intruso

Letter map: instrução vs intrusão

Shared letters muted; letters that set instrução and intrusão apart highlighted. Shared run: 7. instrução runs 9 letters (VCCCCVCVV) against intrusão's 8 (VCCCVCVV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
instrução
8 ch
intrusão

Corpus notes: instrução and intrusão

instrução and intrusão are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33984, derived from the frequency rank of both members and their visual similarity.

instrução is recorded at frequency rank #6,079, classified as anoun, pronounced /ĩʃ.tɾu.ˈsɐ̃w̃/. intrusão is at rank #27,905, tagged as anoun.

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 33984, this pair ranks #33,397 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of instrução vs intrusão

Shared letters: inorstuã. Private to "instrução": ç. Private to "intrusão": -.

"instrução" · 9 letters · shape VCCCCVCVV  ·  "intrusão" · 8 letters · shape VCCCVCVV

Frequently Asked Questions

Is swapping "instrução" for "intrusão" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "instrução" vs "intrusão" - which ranks higher?
"instrução" is the more common of the two: it sits at frequency rank #6,079 in our Portuguese list, against #27,905 for "intrusão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "instrução" and "intrusão".

  • Full dictionary entry for "instrução" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "intrusão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,397 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "instrução" and "intrusão" also get mixed up with nearby pairs, the highest-scored neighbour is "infusão vs intrusão". Nearby pair

Confusion rank #33,397 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