subitvssubtilTell them apart

Which to use

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

#5,613
“subit” frequency rank
#12,069
“subtil” frequency rank
17682
confusion score

Side-by-Side Comparison

Feature subit subtil
Definition Qui est soudain ; qui arrive tout à coup. Qui est délié, fin, menu.

Where the eye mixes subit and subtil

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
subit
6 ch
subtil

Visual trap between subit and subtil

A purely visual mix-up. subit (\sy.bi\) and subtil (\syp.til\) 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 17682, derived from the frequency rank of both members and their visual similarity.

subit is recorded at frequency rank #5,613, classified as anadj, pronounced \sy.bi\. subtil is at rank #12,069, tagged as anadj, pronounced \syp.til\.

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 17682, this pair ranks #381,991 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of subit vs subtil

Shared letters: bistu. Private to "subit": -. Private to "subtil": l.

"subit" · 5 letters · shape CVCVC  ·  "subtil" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • subitsbuit · ssubit · subbit · subitt · subti · suibt · usbit
  • subtilsbutil · ssubtil · subbtil · subitl · subtill · subtli · subttil · sutbil

Frequently Asked Questions

Can "subit" and "subtil" be used interchangeably?
No. They are said differently (\sy.bi\ versus \syp.til\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "subit" vs "subtil" - which ranks higher?
"subit" is the more common of the two: it sits at frequency rank #5,613 in our French list, against #12,069 for "subtil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "subit" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "subtil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #381,991 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "subit" and "subtil" also get mixed up with nearby pairs, the highest-scored neighbour is "salit vs subit". 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 #381,991 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