injeçãovsinserçãoTell them apart

Which to use

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

#9,512
“injeção” frequency rank
#10,908
“inserção” frequency rank
20420
confusion score

Side-by-Side Comparison

Feature injeção inserção
Definition ato ou efeito de injetar ato ou efeito de inserir

Where the eye mixes injeção and inserção

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. injeção runs 7 letters (VCCVCVV) against inserção's 8 (VCCVCCVV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
injeção
8 ch
inserção

Why the eye confuses injeção with inserção

A purely visual mix-up. injeção (/ĩ.ʒɛ.ˈsɐ̃w̃/) and inserção (/ĩ.sɨɾ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20420, derived from the frequency rank of both members and their visual similarity.

injeção is recorded at frequency rank #9,512, classified as anoun, pronounced /ĩ.ʒɛ.ˈsɐ̃w̃/. inserção is at rank #10,908, tagged as anoun, pronounced /ĩ.sɨɾ.ˈsɐ̃w̃/.

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 20420, this pair ranks #50,113 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of injeção vs inserção

Shared letters: einoãç. Private to "injeção": j. Private to "inserção": rs.

"injeção" · 7 letters · shape VCCVCVV  ·  "inserção" · 8 letters · shape VCCVCCVV

Frequently Asked Questions

Is swapping "injeção" for "inserção" ever safe?
No. They are said differently (/ĩ.ʒɛ.ˈsɐ̃w̃/ versus /ĩ.sɨɾ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "injeção" or "inserção"?
"injeção" is the more common of the two: it sits at frequency rank #9,512 in our Portuguese list, against #10,908 for "inserção". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "injeção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inserção" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,113 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "injeção" and "inserção" also get mixed up with nearby pairs, the highest-scored neighbour is "infeção vs inserção". Nearby pair

Confusion rank #50,113 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