infectarvsinyectarWhat's the difference?

Which to use

“infectar” and “inyectar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,100
“infectar” frequency rank
#29,703
“inyectar” frequency rank
65803
confusion score

Side-by-Side Comparison

Feature infectar inyectar
Definition Contagiar o traspasar alguna enfermedad o agente infeccioso. Introducir en el cuerpo un líquido a través de una aguja unida a una jeringa.

Where the eye mixes infectar and inyectar

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. infectar (VCCVCCVC) and inyectar (VCVVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
infectar
8 ch
inyectar

Why the eye confuses infectar with inyectar

A purely visual mix-up. infectar ([ĩɱfekˈt̪aɾ]) and inyectar ([ĩɲʝekˈt̪aɾ]) 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 a single letter - f in “infectar” becomes y in “inyectar”. Our composite confusion score for this pair is 65803, derived from the frequency rank of both members and their visual similarity.

infectar is recorded at frequency rank #36,100, classified as averb, pronounced [ĩɱfekˈt̪aɾ]. inyectar is at rank #29,703, tagged as averb, pronounced [ĩɲʝekˈt̪aɾ].

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 65803, this pair ranks #41,580 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of infectar vs inyectar

Shared letters: aceinrt. Private to "infectar": f. Private to "inyectar": y.

"infectar" · 8 letters · shape VCCVCCVC  ·  "inyectar" · 8 letters · shape VCVVCCVC

Known mistypes of this pair

  • infectar ← ifnectar · inefctar · infcetar · infecatr · infecctar · infectarr · infectra · infecttar
  • inyectar ← ineyctar · innyectar · inycetar · inyecatr · inyecctar · inyectarr · inyectra · inyecttar

Frequently Asked Questions

Is swapping "infectar" for "inyectar" ever safe?
No. They are said differently ([ĩɱfekˈt̪aɾ] versus [ĩɲʝekˈt̪aɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "infectar" vs "inyectar" - which ranks higher?
"inyectar" is the more common of the two: it sits at frequency rank #29,703 in our Spanish list, against #36,100 for "infectar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "infectar" and "inyectar" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "infectar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inyectar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,580 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "infectar" and "inyectar" also get mixed up with nearby pairs, the highest-scored neighbour is "infecta vs infectar". 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 #41,580 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list