sicvsslyConfusable pair

Quick tell: sic is a adverb, sly is an adjective, so they fill different roles in a sentence.

Which to use

“sic” is an adverb and “sly” is an adjective - they look or sound alike but fill different roles in a sentence.

#11,132
“sic” frequency rank
#47,613
“sly” frequency rank
58745
confusion score

Side-by-Side Comparison

Feature sic sly
Definition Tel que cela a été dit ou écrit, sans modification, aussi étrange ou incorrect que cela paraisse. Il s’utilise le plus souvent en italique et entre crochets pour confirmer l’exactitude de la citation d’un texte, même dans le cas d’une erreur manifeste, d’une faute de langue ou de propos choquants. Matois, malin.

Where the eye mixes sic and sly

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
sic
3 ch
sly

Visual trap between sic and sly

These two trip readers on the page rather than in the ear: sic is \sik\ while sly is \ˈslaɪ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 58745, derived from the frequency rank of both members and their visual similarity.

sic is recorded at frequency rank #11,132, classified as anadv, pronounced \sik\. sly is at rank #47,613, tagged as anadj, pronounced \ˈslaɪ\.

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 58745, this pair ranks #107,179 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of sic vs sly

Shared letters: s. Private to "sic": ci. Private to "sly": ly.

"sic" · 3 letters · shape CVC  ·  "sly" · 3 letters · shape CCV

Frequently Asked Questions

Can "sic" and "sly" be used interchangeably?
No - they are not even the same part of speech. "sic" is an adverb and "sly" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sic" or "sly"?
"sic" is the more common of the two: it sits at frequency rank #11,132 in our French list, against #47,613 for "sly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "sic" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #107,179 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sic" and "sly" also get mixed up with nearby pairs, the highest-scored neighbour is "sly vs suu". Nearby pair

Confusion rank #107,179 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