sinvssinonTell them apart

Quick tell: sin is a symbol, sinon is a conjunction, so they fill different roles in a sentence.

Which to use

“sin” is a symbol and “sinon” is a conjunction - they look or sound alike but fill different roles in a sentence.

#16,237
“sin” frequency rank
#640
“sinon” frequency rank
16877
confusion score

Side-by-Side Comparison

Feature sin sinon
Definition Sinus. Si ce n’est : si ce qui est énoncé est faux, alors.

Letter map: sin vs sinon

Shared letters muted; letters that set sin and sinon apart highlighted. Shared run: 3.

3 ch
sin
5 ch
sinon

Part-of-speech tell for sin / sinon

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sin is asymbol and sinonaconjunction. On the page they differ by 2 extra letter(s) - “sin” sits inside “sinon”. Our composite confusion score for this pair is 16877, derived from the frequency rank of both members and their visual similarity.

sin is recorded at frequency rank #16,237, classified as asymbol. sinon is at rank #640, tagged as aconj, pronounced \si.nɔ̃\.

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 16877, this pair ranks #385,819 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sin vs sinon

Shared letters: ins. Private to "sin": -. Private to "sinon": o.

"sin" · 3 letters · shape CVC  ·  "sinon" · 5 letters · shape CVCVC

Known mistypes of this pair

  • sinonisnon · sinno · sinnon · sinonn · sionn · snion · ssinon

Frequently Asked Questions

Do "sin" and "sinon" mean the same thing in a sentence?
No - they are not even the same part of speech. "sin" is a symbol and "sinon" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sin" or "sinon"?
"sinon" is the more common of the two: it sits at frequency rank #640 in our French list, against #16,237 for "sin". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "sin" and "sinon". Here's where to go from here.

  • Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sinon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #385,819 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sin" and "sinon" also get mixed up with nearby pairs, the highest-scored neighbour is "sin vs suu". 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 #385,819 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