infaliblevsinfaliblesTell them apart

Which to use

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

#22,059
“infalible” frequency rank
#49,724
“infalibles” frequency rank
71783
confusion score

Side-by-Side Comparison

Feature infalible infalibles
Definition Que no tiene la posibilidad de equivocarse, errar ni fallar; que nunca tiene fallas ni errores. Forma del plural de infalible.

Where the eye mixes infalible and infalibles

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. infalible runs 9 letters (VCCVCVCCV) against infalibles's 10 (VCCVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
infalible
10 ch
infalibles

Visual trap between infalible and infalibles

A purely visual mix-up. infalible ([ĩɱfaˈliβ̞le]) and infalibles ([ĩɱfaˈliβ̞les]) 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 extra letter(s) - “infalible” sits inside “infalibles”. Our composite confusion score for this pair is 71783, derived from the frequency rank of both members and their visual similarity.

infalible is recorded at frequency rank #22,059, classified as anadj, pronounced [ĩɱfaˈliβ̞le]. infalibles is at rank #49,724, tagged as anadj, pronounced [ĩɱfaˈliβ̞les].

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 71783, this pair ranks #26,765 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of infalible vs infalibles

Shared letters: abefiln. Private to "infalible": -. Private to "infalibles": s.

"infalible" · 9 letters · shape VCCVCVCCV  ·  "infalibles" · 10 letters · shape VCCVCVCCVC

Known mistypes of this pair

  • infalible ← ifnalible · inaflible · infailble · infalbile · infalibble · infalibel · infaliblle · infalilbe
  • infalibles ← ifnalibles · inaflibles · infailbles · infalbiles · infalibbles · infalibels · infalibless · infaliblles

Frequently Asked Questions

Can "infalible" and "infalibles" be used interchangeably?
No. They are said differently ([ĩɱfaˈliβ̞le] versus [ĩɱfaˈliβ̞les]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "infalible" or "infalibles"?
"infalible" is the more common of the two: it sits at frequency rank #22,059 in our Spanish list, against #49,724 for "infalibles". 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 "infalible" and "infalibles" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "infalible" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infalibles" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,765 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • 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 #26,765 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