approximationvsapproximationsTell them apart

Which to use

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

#21,851
“approximation” frequency rank
#30,468
“approximations” frequency rank
52319
confusion score

Side-by-Side Comparison

Feature approximation approximations
Definition Estimation par à peu près, où l’on se contente d’approcher de la vérité sans s’attacher à une exactitude rigoureuse. Pluriel de approximation.

Same sound, different letters: approximation vs approximations

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 13 letters.

13 ch
approximation
14 ch
approximations

Ear matches; page differs - approximation and approximations

This is the hard kind. approximation and approximations are pronounced identically (\a.pʁɔk.si.ma.sjɔ̃\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “approximation” sits inside “approximations”. Our composite confusion score for this pair is 52319, derived from the frequency rank of both members and their visual similarity.

approximation is recorded at frequency rank #21,851, classified as anoun, pronounced \a.pʁɔk.si.ma.sjɔ̃\. approximations is at rank #30,468, tagged as anoun, pronounced \a.pʁɔk.si.ma.sjɔ̃\.

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 52319, this pair ranks #148,534 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of approximation vs approximations

Shared letters: aimnoprtx. Private to "approximation": -. Private to "approximations": s.

"approximation" · 13 letters · shape VCCCVCVCVCVVC  ·  "approximations" · 14 letters · shape VCCCVCVCVCVVCC

Known mistypes of this pair

  • approximationapporximation · approixmation · approxiamtion · approximaiton · approximatino · approximationn · approximatoin · approximattion
  • approximationsapporximations · approixmations · approxiamtions · approximaitons · approximatinos · approximationns · approximationss · approximatiosn

Frequently Asked Questions

Can "approximation" and "approximations" be used interchangeably?
No. They are pronounced the same (\a.pʁɔk.si.ma.sjɔ̃\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "approximation" or "approximations"?
"approximation" is the more common of the two: it sits at frequency rank #21,851 in our French list, against #30,468 for "approximations". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

"approximation" and "approximations" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "approximation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "approximations" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #148,534 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "approximation" and "approximations" also get mixed up with nearby pairs, the highest-scored neighbour is "approximations vs approximatives". 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 #148,534 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