debervsdebíConfusable pair

Which to use

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

#3,112
“deber” frequency rank
#14,811
“debí” frequency rank
17923
confusion score

Side-by-Side Comparison

Feature deber debí
Definition (seguido del infinitivo) Estar o verse obligado de hacer algo. Primera persona del singular (yo) del pretérito perfecto simple de indicativo de deber.

Where the eye mixes deber and debí

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. deber runs 5 letters (CVCVC) against debí's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
deber
4 ch
debí

Visual trap between deber and debí

A purely visual mix-up. deber ([d̪eˈβ̞eɾ]) and debí ([d̪eˈβ̞i]) 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 17923, derived from the frequency rank of both members and their visual similarity.

deber is recorded at frequency rank #3,112, classified as averb, pronounced [d̪eˈβ̞eɾ]. debí is at rank #14,811, tagged as averb, pronounced [d̪eˈβ̞i].

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 17923, this pair ranks #270,071 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of deber vs debí

Shared letters: bde. Private to "deber": r. Private to "debí": í.

"deber" · 5 letters · shape CVCVC  ·  "debí" · 4 letters · shape CVCV

Known mistypes of this pair

  • deber ← dbeer · ddeber · debber · deberr · debre · deebr · dever · edber

Frequently Asked Questions

Can "deber" and "debí" be used interchangeably?
No. They are said differently ([d̪eˈβ̞eɾ] versus [d̪eˈβ̞i]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "deber" vs "debí" - which ranks higher?
"deber" is the more common of the two: it sits at frequency rank #3,112 in our Spanish list, against #14,811 for "debí". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "deber" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "debí" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #270,071 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "deber" and "debí" also get mixed up with nearby pairs, the highest-scored neighbour is "debí vs Deva". 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 #270,071 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