Which to use
“decide” and “define” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,041
- “decide” frequency rank
- #3,696
- “define” frequency rank
- 6737
- confusion score
Side-by-Side Comparison
| Feature | decide | define |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de decidir o de decidirse. | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de definir. |
Where the eye mixes decide and define
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses decide with define
A purely visual mix-up. decide ([d̪eˈsið̞e]) and define ([d̪eˈfine]) 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 6737, derived from the frequency rank of both members and their visual similarity.
decide is recorded at frequency rank #3,041, classified as averb, pronounced [d̪eˈsið̞e]. define is at rank #3,696, tagged as averb, pronounced [d̪eˈfine].
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 6737, this pair ranks #309,919 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of decide vs define
Shared letters: dei. Private to "decide": c. Private to "define": fn.
"decide" · 6 letters · shape CVCVCV · "define" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "decide" and "define" mean the same thing in a sentence?
Which is more common, "decide" or "define"?
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 "decide" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "define" - compare definitions side by side with the headword page. Word entry
- This pair ranks #309,919 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "decide" and "define" also get mixed up with nearby pairs, the highest-scored neighbour is "define vs desire". 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 #309,919 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.