apovsapuTell them apart

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

Which to use

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

#38,142
“apo” frequency rank
#48,918
“apu” frequency rank
87060
confusion score

Side-by-Side Comparison

Feature apo apu
Definition Ou, ou bien. Banquise.

Where the eye mixes apo and apu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. apo 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
apo
3 ch
apu

Look-alike desk: apo vs apu

These two trip readers on the page rather than in the ear: apo is \ˈa.pɔ\ while apu is \a.pu\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “apo” becomes u in “apu”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 87060, derived from the frequency rank of both members and their visual similarity.

apo is recorded at frequency rank #38,142, classified as aconj, pronounced \ˈa.pɔ\. 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 87060, this pair ranks #8,827 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of apo vs apu

Shared letters: ap. Private to "apo": o. Private to "apu": u.

"apo" · 3 letters · shape VCV  ·  "apu" · 3 letters · shape VCV

Frequently Asked Questions

Do "apo" and "apu" mean the same thing in a sentence?
No - they are not even the same part of speech. "apo" is a conjunction and "apu" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "apo" or "apu"?
"apo" is the more common of the two: it sits at frequency rank #38,142 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

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

  • Full dictionary entry for "apo" 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 #8,827 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "apo" and "apu" also get mixed up with nearby pairs, the highest-scored neighbour is "apu vs aur". Nearby pair

Confusion rank #8,827 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