asustabavsasustanWhich spelling fits?

Which to use

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

#46,944
“asustaba” frequency rank
#22,580
“asustan” frequency rank
69524
confusion score

Side-by-Side Comparison

Feature asustaba asustan
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de asustar o de asustarse. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de asustar o de asustarse.

Where the eye mixes asustaba and asustan

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. asustaba runs 8 letters (VCVCCVCV) against asustan's 7 (VCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
asustaba
7 ch
asustan

Visual trap between asustaba and asustan

A purely visual mix-up. asustaba ([asusˈt̪aβ̞a]) and asustan ([aˈsust̪ãn]) 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 69524, derived from the frequency rank of both members and their visual similarity.

asustaba is recorded at frequency rank #46,944, classified as averb, pronounced [asusˈt̪aβ̞a]. asustan is at rank #22,580, tagged as averb, pronounced [aˈsust̪ãn].

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 69524, this pair ranks #31,797 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of asustaba vs asustan

Shared letters: astu. Private to "asustaba": b. Private to "asustan": n.

"asustaba" · 8 letters · shape VCVCCVCV  ·  "asustan" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • asustaba ← assustaba · assutaba · asusatba · asusstaba · asustaab · asustabba · asustava · asustbaa
  • asustan ← assustan · assutan · asusatn · asusstan · asustann · asustna · asusttan · asutsan

Frequently Asked Questions

Do "asustaba" and "asustan" mean the same thing in a sentence?
No. They are said differently ([asusˈt̪aβ̞a] versus [aˈsust̪ãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "asustaba" or "asustan"?
"asustan" is the more common of the two: it sits at frequency rank #22,580 in our Spanish list, against #46,944 for "asustaba". 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 "asustaba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asustan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #31,797 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "asustaba" and "asustan" also get mixed up with nearby pairs, the highest-scored neighbour is "acusaba vs asustaba". 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 #31,797 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