pertenecenvspertenecíanTell them apart

Which to use

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

#4,367
“pertenecen” frequency rank
#14,673
“pertenecían” frequency rank
19040
confusion score

Side-by-Side Comparison

Feature pertenecen pertenecían
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de pertenecer. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de pertenecer.

Where the eye mixes pertenecen and pertenecían

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. pertenecen runs 10 letters (CVCCVCVCVC) against pertenecían's 11 (CVCCVCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
pertenecen
11 ch
pertenecían

Why the eye confuses pertenecen with pertenecían

A purely visual mix-up. pertenecen ([peɾt̪eˈnesẽn]) and pertenecían ([peɾt̪eneˈsiãn]) 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 letter(s) in length. Our composite confusion score for this pair is 19040, derived from the frequency rank of both members and their visual similarity.

pertenecen is recorded at frequency rank #4,367, classified as averb, pronounced [peɾt̪eˈnesẽn]. pertenecían is at rank #14,673, tagged as averb, pronounced [peɾt̪eneˈsiãn].

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 19040, this pair ranks #265,444 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pertenecen vs pertenecían

Shared letters: cenprt. Private to "pertenecen": -. Private to "pertenecían": aí.

"pertenecen" · 10 letters · shape CVCCVCVCVC  ·  "pertenecían" · 11 letters · shape CVCCVCVCVVC

Known mistypes of this pair

  • pertenecen ← eprtenecen · peretnecen · perrtenecen · perteencen · pertenceen · perteneccen · pertenecenn · pertenecne

Frequently Asked Questions

Can "pertenecen" and "pertenecían" be used interchangeably?
No. They are said differently ([peɾt̪eˈnesẽn] versus [peɾt̪eneˈsiãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "pertenecen" vs "pertenecían" - which ranks higher?
"pertenecen" is the more common of the two: it sits at frequency rank #4,367 in our Spanish list, against #14,673 for "pertenecían". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "pertenecen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pertenecían" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #265,444 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pertenecen" and "pertenecían" also get mixed up with nearby pairs, the highest-scored neighbour is "pertenecían vs pertenezcan". 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 #265,444 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