definevsdelfinesTell them apart

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

Which to use

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

#3,696
“define” frequency rank
#15,337
“delfines” frequency rank
19033
confusion score

Side-by-Side Comparison

Feature define delfines
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de definir. Forma del plural de delfín.

Where the eye mixes define and delfines

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
define
8 ch
delfines

Why the eye confuses define with delfines

These two trip readers on the page rather than in the ear: define is [d̪eˈfine] while delfines is [d̪elˈfines]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19033, derived from the frequency rank of both members and their visual similarity.

define is recorded at frequency rank #3,696, classified as averb, pronounced [d̪eˈfine]. delfines is at rank #15,337, tagged as anoun, pronounced [d̪elˈfines].

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 19033, this pair ranks #265,464 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of define vs delfines

Shared letters: defin. Private to "define": -. Private to "delfines": ls.

"define" · 6 letters · shape CVCVCV  ·  "delfines" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • defineddefine · deffine · defien · definne · defnie · deifne · dfeine · edfine
  • delfinesddelfines · deflines · delffines · delfiens · delfiness · delfinnes · delfinse · delfnies

Frequently Asked Questions

Do "define" and "delfines" mean the same thing in a sentence?
No - they are not even the same part of speech. "define" is a verb and "delfines" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "define" or "delfines" show up more?
"define" is the more common of the two: it sits at frequency rank #3,696 in our Spanish list, against #15,337 for "delfines". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "define" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "delfines" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #265,464 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "define" and "delfines" also get mixed up with nearby pairs, the highest-scored neighbour is "delfines vs delfino". 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 #265,464 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