definavsdelfínTell them apart

Quick tell: defina is a verb, delfín is a noun, so they fill different roles in a sentence.

Which to use

“defina” is a verb and “delfín” is a noun - they look or sound alike but fill different roles in a sentence.

#23,373
“defina” frequency rank
#16,551
“delfín” frequency rank
39924
confusion score

Side-by-Side Comparison

Feature defina delfín
Definition Primera persona del singular (yo) del presente de subjuntivo de definir o de definirse. (familia Delphinidae) Cualquiera de varias especies de mamíferos marinos del orden de los cetáceos. Miden entre 2 y 9 metros de largo, con el cuerpo fusiforme y la cabeza grande, el hocico alargado y una única narina en la parte superior de la cabeza; la piel es normalmente gris y glabra. Son carnívoros. Se cuentan entre los más inteligentes de los animales, formando complejos sistemas sociales y comunicándose por ultrasonido. Habitan en aguas templadas y tropicales de todo el globo.

Where the eye mixes defina and delfín

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. defina (CVCVCV) and delfín (CVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
defina
6 ch
delfín

Look-alike desk: defina vs delfín

These two trip readers on the page rather than in the ear: defina is [d̪eˈfina] while delfín is [d̪elˈfĩn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39924, derived from the frequency rank of both members and their visual similarity.

defina is recorded at frequency rank #23,373, classified as averb, pronounced [d̪eˈfina]. delfín is at rank #16,551, tagged as anoun, pronounced [d̪elˈfĩn].

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 39924, this pair ranks #161,903 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of defina vs delfín

Shared letters: defn. Private to "defina": ai. Private to "delfín": lí.

"defina" · 6 letters · shape CVCVCV  ·  "delfín" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • defina ← ddefina · deffina · defian · definna · defnia · deifna · dfeina · edfina

Frequently Asked Questions

Do "defina" and "delfín" mean the same thing in a sentence?
No - they are not even the same part of speech. "defina" is a verb and "delfín" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "defina" vs "delfín" - which ranks higher?
"delfín" is the more common of the two: it sits at frequency rank #16,551 in our Spanish list, against #23,373 for "defina". 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 "defina" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "delfín" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,903 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "defina" and "delfín" also get mixed up with nearby pairs, the highest-scored neighbour is "defina vs definan". 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 #161,903 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