akivsaufWhich spelling fits?

Quick tell: aki is a noun, auf is a preposition, so they fill different roles in a sentence.

Which to use

“aki” is a noun and “auf” is a preposition - they look or sound alike but fill different roles in a sentence.

#46,568
“aki” frequency rank
#25,894
“auf” frequency rank
72462
confusion score

Side-by-Side Comparison

Feature aki auf
Definition Nom vernaculaire de Blighia sapida, arbre moyen de la famille des Sapindaceae (Sapindacées), originaire d’Afrique occidentale et cultivé dans les régions tropicales pour son fruit. C’est une espèce proche du litchi. Sur, avec notion d'immobilité.

Where the eye mixes aki and auf

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

3 ch
aki
3 ch
auf

Look-alike desk: aki vs auf

These two trip readers on the page rather than in the ear: aki is \a.ki\ while auf is \aʊ̯f\. 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 72462, derived from the frequency rank of both members and their visual similarity.

aki is recorded at frequency rank #46,568, classified as anoun, pronounced \a.ki\. auf is at rank #25,894, tagged as aprep, pronounced \aʊ̯f\.

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 72462, this pair ranks #43,915 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aki vs auf

Shared letters: a. Private to "aki": ik. Private to "auf": fu.

"aki" · 3 letters · shape VCV  ·  "auf" · 3 letters · shape VVC

Frequently Asked Questions

Can "aki" and "auf" be used interchangeably?
No - they are not even the same part of speech. "aki" is a noun and "auf" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "aki" or "auf" show up more?
"auf" is the more common of the two: it sits at frequency rank #25,894 in our French list, against #46,568 for "aki". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "aki" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #43,915 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aki" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "aki vs aur". Nearby pair

Confusion rank #43,915 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