siliconvssillonTell them apart

Which to use

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

#21,169
“silicon” frequency rank
#22,096
“sillon” frequency rank
43265
confusion score

Side-by-Side Comparison

Feature silicon sillon
Definition Silicium. Tranchée que le soc, le coutre de la charrue ouvre dans la terre qu’on laboure.

Where the eye mixes silicon and sillon

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. silicon runs 7 letters (CVCVCVC) against sillon's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
silicon
6 ch
sillon

Look-alike desk: silicon vs sillon

A purely visual mix-up. silicon (\ˈsɪl.ɪ.kən\) and sillon (\si.jɔ̃\) 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 43265, derived from the frequency rank of both members and their visual similarity.

silicon is recorded at frequency rank #21,169, classified as anoun, pronounced \ˈsɪl.ɪ.kən\. sillon is at rank #22,096, tagged as anoun, pronounced \si.jɔ̃\.

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 43265, this pair ranks #219,427 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of silicon vs sillon

Shared letters: ilnos. Private to "silicon": c. Private to "sillon": -.

"silicon" · 7 letters · shape CVCVCVC  ·  "sillon" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • siliconislicon · siilcon · silcion · siliccon · silicno · siliconn · siliocn · sillicon
  • sillonisllon · sillno · sillonn · siloln · silon · slilon · ssillon

Frequently Asked Questions

Is swapping "silicon" for "sillon" ever safe?
No. They are said differently (\ˈsɪl.ɪ.kən\ versus \si.jɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "silicon" vs "sillon" - which ranks higher?
"silicon" is the more common of the two: it sits at frequency rank #21,169 in our French list, against #22,096 for "sillon". 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 "silicon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sillon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #219,427 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "silicon" and "sillon" also get mixed up with nearby pairs, the highest-scored neighbour is "sablon vs sillon". 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 #219,427 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