AsvsatConfusable pair

Quick tell: As is a name, at is a noun, so they fill different roles in a sentence.

Which to use

“As” is a name and “at” is a noun - they look or sound alike but fill different roles in a sentence.

#135
“As” frequency rank
#4,122
“at” frequency rank
4257
confusion score

Side-by-Side Comparison

Feature As at
Definition Commune de la province de Limbourg de la région flamande de Belgique. Ancien nom de l’attier, qui a peut-être été importé à la Réunion par les Malbars et les Tamouls ; ce nom était particulièrement fréquent au Sénégal.

Where the eye mixes As and at

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

2 ch
As
2 ch
at

Visual trap between As and at

These two trip readers on the page rather than in the ear: As is \as\ while at is \at\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - s in “As” becomes t in “at”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4257, derived from the frequency rank of both members and their visual similarity.

As is recorded at frequency rank #135, classified as aname, pronounced \as\. at is at rank #4,122, tagged as anoun, pronounced \at\.

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 4257, this pair ranks #432,056 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of As vs at

Shared letters: a. Private to "As": s. Private to "at": t.

"As" · 2 letters · shape VC  ·  "at" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "As" for "at" ever safe?
No - they are not even the same part of speech. "As" is a name and "at" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "As" or "at"?
"As" is the more common of the two: it sits at frequency rank #135 in our French list, against #4,122 for "at". 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 "As" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "at" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #432,056 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "As" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "at vs aur". Nearby pair

Confusion rank #432,056 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list