at vs AVC, What's the Difference?

Which to use

“at” is a preposition and “AVC” is an abbrev - they look or sound alike but fill different roles in a sentence.

#1,457
“at” frequency rank: #18,777
“AVC” frequency rank: 20234
confusion score

Side-by-Side Comparison

Feature	at	AVC
Definition	em, a	acidente vascular cerebral

Where the eye mixes at and AVC

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

2 ch

3 ch

AVC

Look-alike desk: at vs AVC

These two trip readers on the page rather than in the ear: at is \æt\ while AVC is /ɐ.ve.ˈse/. 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 abbrev), which is usually the fastest check. Our composite confusion score for this pair is 20234, derived from the frequency rank of both members and their visual similarity.

at is recorded at frequency rank #1,457, classified as aprep, pronounced \æt\. AVC is at rank #18,777, tagged as anabbrev, pronounced /ɐ.ve.ˈse/.

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 20234, this pair ranks #50,332 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of at vs AVC

Shared letters: a. Private to "at": t. Private to "AVC": cv.

"at" · 2 letters · shape VC · "AVC" · 3 letters · shape VCC

Frequently Asked Questions

Can "at" and "AVC" be used interchangeably?

No - they are not even the same part of speech. "at" is a preposition and "AVC" an abbrev, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "at" vs "AVC" - which ranks higher?

"at" is the more common of the two: it sits at frequency rank #1,457 in our Portuguese list, against #18,777 for "AVC". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "at" and "AVC" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "at" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "AVC" - compare definitions side by side with the headword page. Word entry
This pair ranks #50,332 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"at" and "AVC" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs AVC". Nearby pair

Confusion rank #50,332 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.