APIvsarsTell them apart

Which to use

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

#18,115
“API” frequency rank
#15,805
“ars” frequency rank
33920
confusion score

Side-by-Side Comparison

Feature API ars
Definition Alphabet phonétique international. Pli formé par la réunion des membres antérieurs et du poitrail du cheval.

Where the eye mixes API and ars

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

3 ch
API
3 ch
ars

Look-alike desk: API vs ars

A purely visual mix-up. API (\a.pi\) and ars (\aʁ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 33920, 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\. ars is at rank #15,805, tagged as anoun, pronounced \aʁ\.

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 33920, this pair ranks #287,384 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of API vs ars

Shared letters: a. Private to "API": ip. Private to "ars": rs.

"API" · 3 letters · shape VCV  ·  "ars" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "API" for "ars" ever safe?
No. They are said differently (\a.pi\ versus \aʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "API" vs "ars" - which ranks higher?
"ars" is the more common of the two: it sits at frequency rank #15,805 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

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 "ars" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #287,384 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "API" and "ars" also get mixed up with nearby pairs, the highest-scored neighbour is "API vs aur". Nearby pair

Confusion rank #287,384 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