interferenciavsinterferenciasTell them apart

Which to use

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

#13,496
“interferencia” frequency rank
#23,459
“interferencias” frequency rank
36955
confusion score

Side-by-Side Comparison

Feature interferencia interferencias
Definition Acción o efecto de interferir. Forma del plural de interferencia.

Where the eye mixes interferencia and interferencias

Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. interferencia runs 13 letters (VCCVCCVCVCCVV) against interferencias's 14 (VCCVCCVCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.

13 ch
interferencia
14 ch
interferencias

Why the eye confuses interferencia with interferencias

A purely visual mix-up. interferencia ([ĩn̪t̪eɾfeˈɾẽnsja]) and interferencias ([ĩn̪t̪eɾfeˈɾẽnsjas]) 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) - “interferencia” sits inside “interferencias”. Our composite confusion score for this pair is 36955, derived from the frequency rank of both members and their visual similarity.

interferencia is recorded at frequency rank #13,496, classified as anoun, pronounced [ĩn̪t̪eɾfeˈɾẽnsja]. interferencias is at rank #23,459, tagged as anoun, pronounced [ĩn̪t̪eɾfeˈɾẽnsjas].

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 36955, this pair ranks #177,899 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of interferencia vs interferencias

Shared letters: acefinrt. Private to "interferencia": -. Private to "interferencias": s.

"interferencia" · 13 letters · shape VCCVCCVCVCCVV  ·  "interferencias" · 14 letters · shape VCCVCCVCVCCVVC

Known mistypes of this pair

  • interferencia ← inetrferencia · innterferencia · intefrerencia · interefrencia · interfeerncia · interferecnia · interferencai · interferenccia
  • interferencias ← inetrferencias · innterferencias · intefrerencias · interefrencias · interfeerncias · interferecnias · interferencais · interferenccias

Frequently Asked Questions

Can "interferencia" and "interferencias" be used interchangeably?
No. They are said differently ([ĩn̪t̪eɾfeˈɾẽnsja] versus [ĩn̪t̪eɾfeˈɾẽnsjas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "interferencia" or "interferencias" show up more?
"interferencia" is the more common of the two: it sits at frequency rank #13,496 in our Spanish list, against #23,459 for "interferencias". 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 "interferencia" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interferencias" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #177,899 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 #177,899 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