alvsaptWhat's the difference?

Quick tell: al is a contraction, apt is an adjective, so they fill different roles in a sentence.

Which to use

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

#1,002
“al” frequency rank
#41,338
“apt” frequency rank
42340
confusion score

Side-by-Side Comparison

Feature al apt
Definition ao (contração da preposição a (Espanhol) e do artigo el (Espanhol)). apto

Where the eye mixes al and apt

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

2 ch
al
3 ch
apt

Visual trap between al and apt

These two trip readers on the page rather than in the ear: al is /al/ while apt is /æpt/. 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 (contraction vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 42340, derived from the frequency rank of both members and their visual similarity.

al is recorded at frequency rank #1,002, classified as acontraction, pronounced /al/. apt is at rank #41,338, tagged as anadj, pronounced /æpt/.

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 42340, this pair ranks #23,448 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of al vs apt

Shared letters: a. Private to "al": l. Private to "apt": pt.

"al" · 2 letters · shape VC  ·  "apt" · 3 letters · shape VCC

Frequently Asked Questions

Can "al" and "apt" be used interchangeably?
No - they are not even the same part of speech. "al" is a contraction and "apt" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "al" or "apt" show up more?
"al" is the more common of the two: it sits at frequency rank #1,002 in our Portuguese list, against #41,338 for "apt". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "al" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,448 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "al" and "apt" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs apt". Nearby pair

Confusion rank #23,448 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list