ajustanvsasustarTell them apart

Which to use

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

#24,016
“ajustan” frequency rank
#16,268
“asustar” frequency rank
40284
confusion score

Side-by-Side Comparison

Feature ajustan asustar
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de ajustar o de ajustarse. Dar un susto.

Where the eye mixes ajustan and asustar

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. ajustan and asustar follow the identical consonant-vowel pattern (VCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
ajustan
7 ch
asustar

Visual trap between ajustan and asustar

A purely visual mix-up. ajustan ([aˈxust̪ãn]) and asustar ([asusˈt̪aɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40284, derived from the frequency rank of both members and their visual similarity.

ajustan is recorded at frequency rank #24,016, classified as averb, pronounced [aˈxust̪ãn]. asustar is at rank #16,268, tagged as averb, pronounced [asusˈt̪aɾ].

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 40284, this pair ranks #159,950 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ajustan vs asustar

Shared letters: astu. Private to "ajustan": jn. Private to "asustar": r.

"ajustan" · 7 letters · shape VCVCCVC  ·  "asustar" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • ajustan ← ajjustan · ajsutan · ajusatn · ajusstan · ajustann · ajustna · ajusttan · ajutsan
  • asustar ← assustar · assutar · asusatr · asusstar · asustarr · asustra · asusttar · asutsar

Frequently Asked Questions

Can "ajustan" and "asustar" be used interchangeably?
No. They are said differently ([aˈxust̪ãn] versus [asusˈt̪aɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ajustan" vs "asustar" - which ranks higher?
"asustar" is the more common of the two: it sits at frequency rank #16,268 in our Spanish list, against #24,016 for "ajustan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ajustan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asustar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #159,950 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ajustan" and "asustar" also get mixed up with nearby pairs, the highest-scored neighbour is "acuestan vs ajustan". 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 #159,950 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