locusvslogosWhich spelling fits?

Which to use

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

#42,439
“locus” frequency rank
#16,934
“logos” frequency rank
59373
confusion score

Side-by-Side Comparison

Feature locus logos
Definition Emplacement d’un gène sur un chromosome. la raison, le discours rationnel, par opposition au muthos, le discours irrationnel.

Where the eye mixes locus and logos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
locus
5 ch
logos

Visual trap between locus and logos

A purely visual mix-up. locus (\lɔ.kys\) and logos (\lɔ.ɡɔs\) 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 59373, derived from the frequency rank of both members and their visual similarity.

locus is recorded at frequency rank #42,439, classified as anoun, pronounced \lɔ.kys\. logos is at rank #16,934, tagged as anoun, pronounced \lɔ.ɡɔs\.

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 59373, this pair ranks #103,549 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of locus vs logos

Shared letters: los. Private to "locus": cu. Private to "logos": g.

"locus" · 5 letters · shape CVCVC  ·  "logos" · 5 letters · shape CVCVC

Known mistypes of this pair

  • locusllocus · loccus · locsu · locuss · loucs · olcus
  • logoslgoos · llogos · loggos · logoss · logso · loogs · olgos

Frequently Asked Questions

Can "locus" and "logos" be used interchangeably?
No. They are said differently (\lɔ.kys\ versus \lɔ.ɡɔs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "locus" or "logos"?
"logos" is the more common of the two: it sits at frequency rank #16,934 in our French list, against #42,439 for "locus". 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 "locus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "logos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,549 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "locus" and "logos" also get mixed up with nearby pairs, the highest-scored neighbour is "locus vs logs". 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 #103,549 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