seulvssunWhat's the difference?

Quick tell: seul is a adjective, sun is a verb, so they fill different roles in a sentence.

Which to use

“seul” is an adjective and “sun” is a verb - they look or sound alike but fill different roles in a sentence.

#218
“seul” frequency rank
#6,897
“sun” frequency rank
7115
confusion score

Side-by-Side Comparison

Feature seul sun
Definition Qui est sans compagnie ; qui n’est pas avec d’autres. Chanter

Letter map: seul vs sun

Shared letters muted; letters that set seul and sun apart highlighted. Shared run: 2.

4 ch
seul
3 ch
sun

Grammar separator: seul vs sun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seul is anadjective and sunaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 7115, derived from the frequency rank of both members and their visual similarity.

seul is recorded at frequency rank #218, classified as anadj, pronounced \sœl\. sun is at rank #6,897, tagged as averb.

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 7115, this pair ranks #424,195 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seul vs sun

Shared letters: su. Private to "seul": el. Private to "sun": n.

"seul" · 4 letters · shape CVVC  ·  "sun" · 3 letters · shape CVC

Known mistypes of this pair

  • seulesul · selu · seull · sseul · suel

Frequently Asked Questions

Can "seul" and "sun" be used interchangeably?
No - they are not even the same part of speech. "seul" is an adjective and "sun" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seul" vs "sun" - which ranks higher?
"seul" is the more common of the two: it sits at frequency rank #218 in our French list, against #6,897 for "sun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "seul" and "sun".

  • Full dictionary entry for "seul" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #424,195 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "seul" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "sun vs suu". 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 #424,195 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