aïevsapuWhich spelling fits?

Quick tell: aïe is a intj, apu is a noun, so they fill different roles in a sentence.

Which to use

“aïe” is an intj and “apu” is a noun - they look or sound alike but fill different roles in a sentence.

#15,571
“aïe” frequency rank
#48,918
“apu” frequency rank
64489
confusion score

Side-by-Side Comparison

Feature aïe apu
Definition Cri exprimant la douleur. Banquise.

Where the eye mixes aïe and apu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. aïe and apu follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
aïe
3 ch
apu

Visual trap between aïe and apu

These two trip readers on the page rather than in the ear: aïe is \aj\ while apu is \a.pu\. 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 (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 64489, derived from the frequency rank of both members and their visual similarity.

aïe is recorded at frequency rank #15,571, classified as anintj, pronounced \aj\. apu is at rank #48,918, tagged as anoun, pronounced \a.pu\.

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 64489, this pair ranks #76,822 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aïe vs apu

Shared letters: a. Private to "aïe": eï. Private to "apu": pu.

"aïe" · 3 letters · shape VCV  ·  "apu" · 3 letters · shape VCV

Frequently Asked Questions

Can "aïe" and "apu" be used interchangeably?
No - they are not even the same part of speech. "aïe" is an intj and "apu" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aïe" vs "apu" - which ranks higher?
"aïe" is the more common of the two: it sits at frequency rank #15,571 in our French list, against #48,918 for "apu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "aïe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #76,822 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aïe" and "apu" also get mixed up with nearby pairs, the highest-scored neighbour is "apu vs aur". Nearby pair

Confusion rank #76,822 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