filtranvsfiltrarWhat's the difference?

Which to use

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

#32,669
“filtran” frequency rank
#16,339
“filtrar” frequency rank
49008
confusion score

Side-by-Side Comparison

Feature filtran filtrar
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de filtrar. Hacer pasar un líquido por un filtro.

Where the eye mixes filtran and filtrar

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. filtran and filtrar follow the identical consonant-vowel pattern (CVCCCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
filtran
7 ch
filtrar

Visual trap between filtran and filtrar

A purely visual mix-up. filtran ([ˈfil̪t̪ɾãn]) and filtrar ([fil̪ˈt̪ɾaɾ]) 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 - n in “filtran” becomes r in “filtrar”. Our composite confusion score for this pair is 49008, derived from the frequency rank of both members and their visual similarity.

filtran is recorded at frequency rank #32,669, classified as averb, pronounced [ˈfil̪t̪ɾãn]. filtrar is at rank #16,339, tagged as averb, pronounced [fil̪ˈt̪ɾaɾ].

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 49008, this pair ranks #111,281 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of filtran vs filtrar

Shared letters: afilrt. Private to "filtran": n. Private to "filtrar": -.

"filtran" · 7 letters · shape CVCCCVC  ·  "filtrar" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • filtran ← ffiltran · filltran · filrtan · filtarn · filtrann · filtrna · filtrran · filttran
  • filtrar ← ffiltrar · filltrar · filrtar · filtarr · filtrarr · filtrra · filtrrar · filttrar

Frequently Asked Questions

Is swapping "filtran" for "filtrar" ever safe?
No. They are said differently ([ˈfil̪t̪ɾãn] versus [fil̪ˈt̪ɾaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "filtran" vs "filtrar" - which ranks higher?
"filtrar" is the more common of the two: it sits at frequency rank #16,339 in our Spanish list, against #32,669 for "filtran". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "filtran" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "filtrar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #111,281 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "filtran" and "filtrar" also get mixed up with nearby pairs, the highest-scored neighbour is "filtran vs filtraron". 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 #111,281 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