afvsakiWhat's the difference?

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

Which to use

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

#14,405
“af” frequency rank
#46,568
“aki” frequency rank
60973
confusion score

Side-by-Side Comparison

Feature af aki
Definition De. Note d’usage : la préposition est suivie du datif. 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.

Where the eye mixes af and aki

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

2 ch
af
3 ch
aki

Why the eye confuses af with aki

These two trip readers on the page rather than in the ear: af is \aːv\ while aki is \a.ki\. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 60973, derived from the frequency rank of both members and their visual similarity.

af is recorded at frequency rank #14,405, classified as aprep, pronounced \aːv\. aki is at rank #46,568, tagged as anoun, pronounced \a.ki\.

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 60973, this pair ranks #94,788 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of af vs aki

Shared letters: a. Private to "af": f. Private to "aki": ik.

"af" · 2 letters · shape VC  ·  "aki" · 3 letters · shape VCV

Frequently Asked Questions

Can "af" and "aki" be used interchangeably?
No - they are not even the same part of speech. "af" is a preposition and "aki" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "af" or "aki"?
"af" is the more common of the two: it sits at frequency rank #14,405 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.

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 "af" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aki" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #94,788 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "af" and "aki" also get mixed up with nearby pairs, the highest-scored neighbour is "aki vs aur". Nearby pair

Confusion rank #94,788 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