infecciónvsinfeccionesTell them apart

Which to use

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

#6,547
“infección” frequency rank
#11,430
“infecciones” frequency rank
17977
confusion score

Side-by-Side Comparison

Feature infección infecciones
Definition Acción o efecto de infectar o de infectarse. Forma del plural de infección.

Where the eye mixes infección and infecciones

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. infección runs 9 letters (VCCVCCVVC) against infecciones's 11 (VCCVCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
infección
11 ch
infecciones

Look-alike desk: infección vs infecciones

A purely visual mix-up. infección ([ĩɱfekˈsjõn]) and infecciones ([ĩɱfekˈsjones]) 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 2 letter(s) in length. Our composite confusion score for this pair is 17977, derived from the frequency rank of both members and their visual similarity.

infección is recorded at frequency rank #6,547, classified as anoun, pronounced [ĩɱfekˈsjõn]. infecciones is at rank #11,430, tagged as anoun, pronounced [ĩɱfekˈsjones].

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 17977, this pair ranks #269,853 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of infección vs infecciones

Shared letters: cefin. Private to "infección": ó. Private to "infecciones": os.

"infección" · 9 letters · shape VCCVCCVVC  ·  "infecciones" · 11 letters · shape VCCVCCVVCVC

Known mistypes of this pair

  • infecciones ← ifnecciones · inefcciones · infceciones · infeccinoes · infeccioens · infeccioness · infeccionnes · infeccionse

Frequently Asked Questions

Do "infección" and "infecciones" mean the same thing in a sentence?
No. They are said differently ([ĩɱfekˈsjõn] versus [ĩɱfekˈsjones]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "infección" or "infecciones"?
"infección" is the more common of the two: it sits at frequency rank #6,547 in our Spanish list, against #11,430 for "infecciones". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "infección" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infecciones" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #269,853 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "infección" and "infecciones" also get mixed up with nearby pairs, the highest-scored neighbour is "infección vs infecciosa". 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 #269,853 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