interaçãovsinternaçãoConfusable pair

Which to use

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

#4,566
“interação” frequency rank
#23,018
“internação” frequency rank
27584
confusion score

Side-by-Side Comparison

Feature interação internação
Definition ação recíproca entre duas ou mais pessoas ou objetos ato ou efeito de se internar

Letter map: interação vs internação

Shared letters muted; letters that set interação and internação apart highlighted. Shared run: 9. interação runs 9 letters (VCCVCVCVV) against internação's 10 (VCCVCCVCVV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
interação
10 ch
internação

Corpus notes: interação and internação

interação and internação 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 27584, derived from the frequency rank of both members and their visual similarity.

interação is recorded at frequency rank #4,566, classified as anoun, pronounced /ĩ.tɛ.ɾa.ˈsɐ̃w̃/. internação is at rank #23,018, 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 27584, this pair ranks #41,361 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interação vs internação

Shared letters: aeinortãç. Private to "interação": -. Private to "internação": -.

"interação" · 9 letters · shape VCCVCVCVV  ·  "internação" · 10 letters · shape VCCVCCVCVV

Frequently Asked Questions

Is swapping "interação" for "internação" 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: "interação" vs "internação" - which ranks higher?
"interação" is the more common of the two: it sits at frequency rank #4,566 in our Portuguese list, against #23,018 for "internação". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "interação" and "internação". Here's where to go from here.

  • Full dictionary entry for "interação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "internação" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,361 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "interação" and "internação" also get mixed up with nearby pairs, the highest-scored neighbour is "internação vs interseção". Nearby pair

Confusion rank #41,361 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