scievssiConfusable pair

Quick tell: scie is a noun, si is a conjunction, so they fill different roles in a sentence.

Which to use

“scie” is a noun and “si” is a conjunction - they look or sound alike but fill different roles in a sentence.

#12,863
“scie” frequency rank
#46
“si” frequency rank
12909
confusion score

Side-by-Side Comparison

Feature scie si
Definition Outil, instrument ou machine possédant une lame dentée (rectiligne ou circulaire) et dont on se sert pour scier. Dans le cas où, à condition que, supposé que. Note d’usage : Conjonction qui introduit une condition (suivie d’une conséquence) ou une supposition qui peut être supprimée en utilisant un conditionnel.

Same sound, different letters: scie vs si

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 2 letters.

4 ch
scie
2 ch
si

Ear matches; page differs - scie and si

Say them out loud and nothing separates them: scie and si carry the same recorded pronunciation, \si\. Grammar is what tells them apart: one is anoun, the other aconjunction, so most sentences will only accept one of them. They differ by 2 letter(s) in length. Our composite confusion score for this pair is 12909, derived from the frequency rank of both members and their visual similarity.

scie is recorded at frequency rank #12,863, classified as anoun, pronounced \si\. si is at rank #46, tagged as aconj, pronounced \si\.

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 12909, this pair ranks #403,242 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of scie vs si

Shared letters: is. Private to "scie": ce. Private to "si": -.

"scie" · 4 letters · shape CCVV  ·  "si" · 2 letters · shape CV

Known mistypes of this pair

  • sciecsie · sccie · scei · sice · sscie

Frequently Asked Questions

Can "scie" and "si" be used interchangeably?
No - they are not even the same part of speech. "scie" is a noun and "si" a conjunction, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "scie" or "si" show up more?
"si" is the more common of the two: it sits at frequency rank #46 in our French list, against #12,863 for "scie". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "scie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "si" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #403,242 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "scie" and "si" also get mixed up with nearby pairs, the highest-scored neighbour is "scie vs spi". 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 #403,242 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