infecçãovsinjeçãoConfusable pair

Which to use

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

#5,749
“infecção” frequency rank
#9,512
“injeção” frequency rank
15261
confusion score

Side-by-Side Comparison

Feature infecção injeção
Definition colonização de um organismo hospedeiro por uma espécie estranha ato ou efeito de injetar

Letter map: infecção vs injeção

Shared letters muted; letters that set infecção and injeção apart highlighted. Shared run: 6. infecção runs 8 letters (VCCVCCVV) against injeção's 7 (VCCVCVV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
infecção
7 ch
injeção

Spelling & dictionary notes on infecção vs injeção

infecção and injeção 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 15261, derived from the frequency rank of both members and their visual similarity.

infecção is recorded at frequency rank #5,749, classified as anoun. injeção is at rank #9,512, tagged as anoun, pronounced /ĩ.ʒɛ.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 15261, this pair ranks #56,612 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of infecção vs injeção

Shared letters: einoãç. Private to "infecção": cf. Private to "injeção": j.

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

Frequently Asked Questions

Is swapping "infecção" for "injeção" 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: "infecção" vs "injeção" - which ranks higher?
"infecção" is the more common of the two: it sits at frequency rank #5,749 in our Portuguese list, against #9,512 for "injeção". 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 "infecção" and "injeção".

  • Full dictionary entry for "infecção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "injeção" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #56,612 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "infecção" and "injeção" also get mixed up with nearby pairs, the highest-scored neighbour is "infeção vs injeção". Nearby pair

Confusion rank #56,612 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