estabilizarvsesterilizarTell them apart

Which to use

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

#21,324
“estabilizar” frequency rank
#48,995
“esterilizar” frequency rank
70319
confusion score

Side-by-Side Comparison

Feature estabilizar esterilizar
Definition Darle a algo más estabilidad. Privar a un ser vivo de la capacidad reproductiva.

Where the eye mixes estabilizar and esterilizar

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
estabilizar
11 ch
esterilizar

Visual trap between estabilizar and esterilizar

A purely visual mix-up. estabilizar ([est̪aβ̞iliˈsaɾ]) and esterilizar ([est̪eɾiliˈsaɾ]) 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 70319, derived from the frequency rank of both members and their visual similarity.

estabilizar is recorded at frequency rank #21,324, classified as averb, pronounced [est̪aβ̞iliˈsaɾ]. esterilizar is at rank #48,995, tagged as averb, pronounced [est̪eɾiliˈsaɾ].

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 70319, this pair ranks #29,993 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of estabilizar vs esterilizar

Shared letters: aeilrstz. Private to "estabilizar": b. Private to "esterilizar": -.

"estabilizar" · 11 letters · shape VCCVCVCVCVC  ·  "esterilizar" · 11 letters · shape VCCVCVCVCVC

Known mistypes of this pair

  • estabilizaresatbilizar · esstabilizar · estabbilizar · estabiilzar · estabiliazr · estabilizarr · estabilizra · estabilizzar
  • esterilizaresetrilizar · essterilizar · esteirlizar · esteriilzar · esteriliazr · esterilizarr · esterilizra · esterilizzar

Frequently Asked Questions

Is swapping "estabilizar" for "esterilizar" ever safe?
No. They are said differently ([est̪aβ̞iliˈsaɾ] versus [est̪eɾiliˈsaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "estabilizar" or "esterilizar" show up more?
"estabilizar" is the more common of the two: it sits at frequency rank #21,324 in our Spanish list, against #48,995 for "esterilizar". 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 "estabilizar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "esterilizar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,993 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "estabilizar" and "esterilizar" also get mixed up with nearby pairs, the highest-scored neighbour is "estabiliza vs estabilizar". 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 #29,993 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