scanvsseinTell them apart

Which to use

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

#17,267
“scan” frequency rank
#746
“sein” frequency rank
18013
confusion score

Side-by-Side Comparison

Feature scan sein
Definition Scanner, examen radiologique. Partie antérieure du thorax humain, où se trouvent les mamelles.

Where the eye mixes scan and sein

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
scan
4 ch
sein

Visual trap between scan and sein

A purely visual mix-up. scan (\skan\) and sein (\sɛ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 18013, derived from the frequency rank of both members and their visual similarity.

scan is recorded at frequency rank #17,267, classified as anoun, pronounced \skan\. sein is at rank #746, tagged as anoun, pronounced \sɛ̃\.

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 18013, this pair ranks #380,396 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of scan vs sein

Shared letters: ns. Private to "scan": ac. Private to "sein": ei.

"scan" · 4 letters · shape CCVC  ·  "sein" · 4 letters · shape CVVC

Known mistypes of this pair

  • scancsan · sacn · scann · sccan · scna · sscan
  • seinesin · seinn · seni · ssein

Frequently Asked Questions

Do "scan" and "sein" mean the same thing in a sentence?
No. They are said differently (\skan\ versus \sɛ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "scan" vs "sein" - which ranks higher?
"sein" is the more common of the two: it sits at frequency rank #746 in our French list, against #17,267 for "scan". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "scan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sein" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #380,396 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "scan" and "sein" also get mixed up with nearby pairs, the highest-scored neighbour is "scan vs sicav". 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 #380,396 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