longvsLyonWhich spelling fits?

Quick tell: long is a adjective, Lyon is a name, so they fill different roles in a sentence.

Which to use

“long” is an adjective and “Lyon” is a name - they look or sound alike but fill different roles in a sentence.

#401
“long” frequency rank
#1,004
“Lyon” frequency rank
1405
confusion score

Side-by-Side Comparison

Feature long Lyon
Definition Qualifie des objets considérés dans leur dimension d’une extrémité à l’autre, par opposition à court. Commune, ville et chef-lieu de département français, située dans la métropole de Lyon (69M), en région Auvergne-Rhône-Alpes, autrefois située dans le département du Rhône.

Where the eye mixes long and Lyon

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

4 ch
long
4 ch
Lyon

Look-alike desk: long vs Lyon

These two trip readers on the page rather than in the ear: long is \lɔ̃\ while Lyon is \li.jɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 1405, derived from the frequency rank of both members and their visual similarity.

long is recorded at frequency rank #401, classified as anadj, pronounced \lɔ̃\. Lyon is at rank #1,004, tagged as aname, pronounced \li.jɔ̃\.

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 1405, this pair ranks #438,124 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of long vs Lyon

Shared letters: lno. Private to "long": g. Private to "Lyon": y.

"long" · 4 letters · shape CVCC  ·  "Lyon" · 4 letters · shape CVVC

Known mistypes of this pair

  • longllong · lnog · logn · longg · lonng · olng
  • Lyonllyon · loyn · lyno · lyonn · lyyon · ylon

Frequently Asked Questions

Can "long" and "Lyon" be used interchangeably?
No - they are not even the same part of speech. "long" is an adjective and "Lyon" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "long" vs "Lyon" - which ranks higher?
"long" is the more common of the two: it sits at frequency rank #401 in our French list, against #1,004 for "Lyon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "long" and "Lyon" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "long" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lyon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #438,124 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "long" and "Lyon" also get mixed up with nearby pairs, the highest-scored neighbour is "long vs loving". 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 #438,124 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