additionvsadductionConfusable pair

Which to use

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

#9,776
“addition” frequency rank
#44,843
“adduction” frequency rank
54619
confusion score

Side-by-Side Comparison

Feature addition adduction
Definition Action d’ajouter. Action d’amener.

Where the eye mixes addition and adduction

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. addition runs 8 letters (VCCVCVVC) against adduction's 9 (VCCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
addition
9 ch
adduction

Look-alike desk: addition vs adduction

A purely visual mix-up. addition (\a.di.sjɔ̃\) and adduction (\a.dyk.sjɔ̃\) 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 1 letter(s) in length. Our composite confusion score for this pair is 54619, derived from the frequency rank of both members and their visual similarity.

addition is recorded at frequency rank #9,776, classified as anoun, pronounced \a.di.sjɔ̃\. adduction is at rank #44,843, tagged as anoun, pronounced \a.dyk.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 54619, this pair ranks #132,787 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of addition vs adduction

Shared letters: adinot. Private to "addition": -. Private to "adduction": cu.

"addition" · 8 letters · shape VCCVCVVC  ·  "adduction" · 9 letters · shape VCCVCCVVC

Known mistypes of this pair

  • additionaddiiton · additino · additionn · additoin · addittion · addtiion · adidtion · adition
  • adductionaddcution · adducction · adduciton · adductino · adductionn · adductoin · adducttion · addutcion

Frequently Asked Questions

Can "addition" and "adduction" be used interchangeably?
No. They are said differently (\a.di.sjɔ̃\ versus \a.dyk.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "addition" vs "adduction" - which ranks higher?
"addition" is the more common of the two: it sits at frequency rank #9,776 in our French list, against #44,843 for "adduction". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "addition" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adduction" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #132,787 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "addition" and "adduction" also get mixed up with nearby pairs, the highest-scored neighbour is "addictions vs adduction". 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 #132,787 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