AFIvsaúnTell them apart

Quick tell: AFI is a name, aún is an adverb, so they fill different roles in a sentence.

Which to use

“AFI” is a name and “aún” is an adverb - they look or sound alike but fill different roles in a sentence.

#27,465
“AFI” frequency rank
#240
“aún” frequency rank
27705
confusion score

Side-by-Side Comparison

Feature AFI aún
Definition Alfabeto Fonético Internacional. Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo..

Where the eye mixes AFI and aún

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

3 ch
AFI
3 ch
aún

Visual trap between AFI and aún

These two trip readers on the page rather than in the ear: AFI is [ˈafi] while aún is [aˈũn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 27705, derived from the frequency rank of both members and their visual similarity.

AFI is recorded at frequency rank #27,465, classified as aname, pronounced [ˈafi]. aún is at rank #240, tagged as anadv, pronounced [aˈũn].

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 27705, this pair ranks #225,528 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of AFI vs aún

Shared letters: a. Private to "AFI": fi. Private to "aún": .

"AFI" · 3 letters · shape VCV  ·  "aún" · 3 letters · shape VVC

Frequently Asked Questions

Is swapping "AFI" for "aún" ever safe?
No - they are not even the same part of speech. "AFI" is a name and "aún" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "AFI" or "aún"?
"aún" is the more common of the two: it sits at frequency rank #240 in our Spanish list, against #27,465 for "AFI". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "AFI" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aún" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #225,528 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "AFI" and "aún" also get mixed up with nearby pairs, the highest-scored neighbour is "AFI vs apis". Nearby pair

Confusion rank #225,528 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