Which to use
“del” is a contraction and “delta” is a noun - they look or sound alike but fill different roles in a sentence.
- #14
- “del” frequency rank
- #8,786
- “delta” frequency rank
- 8800
- confusion score
Side-by-Side Comparison
| Feature | del | delta |
|---|---|---|
| Definition | Contracción de la preposición de y el artículo el. | Palabra clave radiofónica del ICAO y NATO para la letra D. |
Where the eye mixes del and delta
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses del with delta
These two trip readers on the page rather than in the ear: del is [d̪el] while delta is [ˈdɛlta]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “del” sits inside “delta”, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8800, derived from the frequency rank of both members and their visual similarity.
del is recorded at frequency rank #14, classified as acontraction, pronounced [d̪el]. delta is at rank #8,786, tagged as anoun, pronounced [ˈdɛlta].
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 8800, this pair ranks #303,889 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of del vs delta
Shared letters: del. Private to "del": -. Private to "delta": at.
"del" · 3 letters · shape CVC · "delta" · 5 letters · shape CVCCV
Known mistypes of this pair
- delta ← ddelta · delat · dellta · deltta · detla · dleta · edlta
Frequently Asked Questions
Is swapping "del" for "delta" ever safe?
Frequency check: "del" vs "delta" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "del" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "delta" - compare definitions side by side with the headword page. Word entry
- This pair ranks #303,889 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "del" and "delta" also get mixed up with nearby pairs, the highest-scored neighbour is "delta 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 #303,889 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.