Which to use
“ad” is a noun and “al” is a contraction - they look or sound alike but fill different roles in a sentence.
- #5,365
- “ad” frequency rank
- #21
- “al” frequency rank
- 5386
- confusion score
Side-by-Side Comparison
| Feature | ad | al |
|---|---|---|
| Definition | Nombre. | Contracción de la preposición a y el artículo el (masculino singular) Forma obligatoriamente contracta; la forma *a el no está aceptada por la Real Academia. Se utiliza para todos los valores de a. |
Where the eye mixes ad and al
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: ad vs al
These two trip readers on the page rather than in the ear: ad is [ɑd] while al is [al]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “ad” becomes l in “al”, and the parts of speech differ too (noun vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 5386, derived from the frequency rank of both members and their visual similarity.
ad is recorded at frequency rank #5,365, classified as anoun, pronounced [ɑd]. al is at rank #21, tagged as acontraction, pronounced [al].
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 5386, this pair ranks #313,755 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ad vs al
Shared letters: a. Private to "ad": d. Private to "al": l.
"ad" · 2 letters · shape VC · "al" · 2 letters · shape VC
Frequently Asked Questions
Can "ad" and "al" be used interchangeably?
Frequency check: "ad" vs "al" - which ranks higher?
After this comparison
Eye-level mix-up between "ad" and "al" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ad" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "al" - compare definitions side by side with the headword page. Word entry
- This pair ranks #313,755 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ad" and "al" also get mixed up with nearby pairs, the highest-scored neighbour is "abed vs ad". Nearby pair
Confusion rank #313,755 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.