APIvsappliWhich spelling fits?

Which to use

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

#18,115
“API” frequency rank
#7,521
“appli” frequency rank
25636
confusion score

Side-by-Side Comparison

Feature API appli
Definition Alphabet phonétique international. Nom générique des objets qui servent à l’attelage des animaux de trait et de labourage, et à les attacher soit ensemble, soit dans les écuries, etc.

Where the eye mixes API and appli

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
API
5 ch
appli

Visual trap between API and appli

A purely visual mix-up. API (\a.pi\) and appli (\a.pli\) 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 2 letter(s) in length. Our composite confusion score for this pair is 25636, 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\. appli is at rank #7,521, tagged as anoun, pronounced \a.pli\.

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 25636, this pair ranks #339,713 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of API vs appli

Shared letters: aip. Private to "API": -. Private to "appli": l.

"API" · 3 letters · shape VCV  ·  "appli" · 5 letters · shape VCCCV

Known mistypes of this pair

  • appliapli · aplpi · appil · applli · papli

Frequently Asked Questions

Do "API" and "appli" mean the same thing in a sentence?
No. They are said differently (\a.pi\ versus \a.pli\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "API" vs "appli" - which ranks higher?
"appli" is the more common of the two: it sits at frequency rank #7,521 in our French list, against #18,115 for "API". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "API" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "appli" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #339,713 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "API" and "appli" also get mixed up with nearby pairs, the highest-scored neighbour is "API vs aur". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #339,713 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