API vs apu, What's the Difference?

Which to use

“API” and “apu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,115
“API” frequency rank: #48,918
“apu” frequency rank: 67033
confusion score

Side-by-Side Comparison

Feature	API	apu
Definition	Alphabet phonétique international.	Banquise.

Where the eye mixes API and apu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. API 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

API

3 ch

apu

Why the eye confuses API with apu

A purely visual mix-up. API (\a.pi\) and apu (\a.pu\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - i in “API” becomes u in “apu”. Our composite confusion score for this pair is 67033, derived from the frequency rank of both members and their visual similarity.

API is recorded at frequency rank #18,115, classified as anoun, pronounced \a.pi\. 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 67033, this pair ranks #65,197 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of API vs apu

Shared letters: ap. Private to "API": i. Private to "apu": u.

"API" · 3 letters · shape VCV · "apu" · 3 letters · shape VCV

Frequently Asked Questions

Do "API" and "apu" mean the same thing in a sentence?

No. They are said differently (\a.pi\ versus \a.pu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "API" vs "apu" - which ranks higher?

"API" is the more common of the two: it sits at frequency rank #18,115 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.

After this comparison

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

Full dictionary entry for "API" 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 #65,197 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"API" and "apu" also get mixed up with nearby pairs, the highest-scored neighbour is "apu vs aur". Nearby pair

Confusion rank #65,197 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.