commencesvscommercerTell them apart

Which to use

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

#9,800
“commences” frequency rank
#38,210
“commercer” frequency rank
48010
confusion score

Side-by-Side Comparison

Feature commences commercer
Definition Deuxième personne du singulier de l’indicatif présent de commencer. Faire du commerce.

Where the eye mixes commences and commercer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. commences and commercer follow the identical consonant-vowel pattern (CVCCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
commences
9 ch
commercer

Visual trap between commences and commercer

A purely visual mix-up. commences (\kɔ.mɑ̃s\) and commercer (\kɔ.mɛʁ.se\) 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 48010, derived from the frequency rank of both members and their visual similarity.

commences is recorded at frequency rank #9,800, classified as averb, pronounced \kɔ.mɑ̃s\. commercer is at rank #38,210, tagged as averb, pronounced \kɔ.mɛʁ.se\.

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 48010, this pair ranks #182,377 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of commences vs commercer

Shared letters: cemo. Private to "commences": ns. Private to "commercer": r.

"commences" · 9 letters · shape CVCCVCCVC  ·  "commercer" · 9 letters · shape CVCCVCCVC

Known mistypes of this pair

  • commences ← ccommences · cmomences · comemnces · comences · commecnes · commencces · commencess · commencse
  • commercer ← ccommercer · cmomercer · comemrcer · comercer · commecrer · commerccer · commercerr · commercre

Frequently Asked Questions

Is swapping "commences" for "commercer" ever safe?
No. They are said differently (\kɔ.mɑ̃s\ versus \kɔ.mɛʁ.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "commences" vs "commercer" - which ranks higher?
"commences" is the more common of the two: it sits at frequency rank #9,800 in our French list, against #38,210 for "commercer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "commences" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "commercer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #182,377 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "commences" and "commercer" also get mixed up with nearby pairs, the highest-scored neighbour is "commercer vs commère". 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 #182,377 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