subíavssubíanTell them apart

Which to use

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

#18,396
“subía” frequency rank
#34,354
“subían” frequency rank
52750
confusion score

Side-by-Side Comparison

Feature subía subían
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de subir o de subirse. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de subir o de subirse.

Where the eye mixes subía and subían

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. subía runs 5 letters (CVCVV) against subían's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
subía
6 ch
subían

Look-alike desk: subía vs subían

A purely visual mix-up. subía ([suˈβ̞ia]) and subían ([suˈβ̞iãn]) 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) - “subía” sits inside “subían”. Our composite confusion score for this pair is 52750, derived from the frequency rank of both members and their visual similarity.

subía is recorded at frequency rank #18,396, classified as averb, pronounced [suˈβ̞ia]. subían is at rank #34,354, tagged as averb, pronounced [suˈβ̞iãn].

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 52750, this pair ranks #91,196 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of subía vs subían

Shared letters: absuí. Private to "subía": -. Private to "subían": n.

"subía" · 5 letters · shape CVCVV  ·  "subían" · 6 letters · shape CVCVVC

Frequently Asked Questions

Is swapping "subía" for "subían" ever safe?
No. They are said differently ([suˈβ̞ia] versus [suˈβ̞iãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "subía" or "subían" show up more?
"subía" is the more common of the two: it sits at frequency rank #18,396 in our Spanish list, against #34,354 for "subían". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "subía" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "subían" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #91,196 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "subía" and "subían" also get mixed up with nearby pairs, the highest-scored neighbour is "subían vs subís". Nearby pair

Confusion rank #91,196 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