airvsalWhich spelling fits?

Quick tell: air is a preposition, al is a contraction, so they fill different roles in a sentence.

Which to use

“air” is a preposition and “al” is a contraction - they look or sound alike but fill different roles in a sentence.

#6,747
“air” frequency rank
#21
“al” frequency rank
6768
confusion score

Side-by-Side Comparison

Feature air al
Definition Sobre. 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 air and al

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
air
2 ch
al

Look-alike desk: air vs al

These two trip readers on the page rather than in the ear: air is /er/ while al is [al]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (preposition vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 6768, derived from the frequency rank of both members and their visual similarity.

air is recorded at frequency rank #6,747, classified as aprep, pronounced /er/. 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 6768, this pair ranks #309,849 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of air vs al

Shared letters: a. Private to "air": ir. Private to "al": l.

"air" · 3 letters · shape VVC  ·  "al" · 2 letters · shape VC

Frequently Asked Questions

Can "air" and "al" be used interchangeably?
No - they are not even the same part of speech. "air" is a preposition and "al" a contraction, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "air" or "al" show up more?
"al" is the more common of the two: it sits at frequency rank #21 in our Spanish list, against #6,747 for "air". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "air" 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 #309,849 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "air" and "al" also get mixed up with nearby pairs, the highest-scored neighbour is "air vs apis". Nearby pair

Confusion rank #309,849 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