selfvsseoWhat's the difference?

Which to use

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

#11,301
“self” frequency rank
#13,261
“seo” frequency rank
24562
confusion score

Side-by-Side Comparison

Feature self seo
Definition Abréviation de « self-service ». Nom fréquemment donné aux églises cathédrales dans les Pays catalans.

Where the eye mixes self and seo

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

4 ch
self
3 ch
seo

Why the eye confuses self with seo

A purely visual mix-up. self (\sɛlf\) and seo ([ˈsew]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24562, derived from the frequency rank of both members and their visual similarity.

self is recorded at frequency rank #11,301, classified as anoun, pronounced \sɛlf\. seo is at rank #13,261, tagged as anoun, pronounced [ˈsew].

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 24562, this pair ranks #345,914 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of self vs seo

Shared letters: es. Private to "self": fl. Private to "seo": o.

"self" · 4 letters · shape CVCC  ·  "seo" · 3 letters · shape CVV

Known mistypes of this pair

  • selfeslf · sefl · selff · sellf · slef · sself

Frequently Asked Questions

Is swapping "self" for "seo" ever safe?
No. They are said differently (\sɛlf\ versus [ˈsew]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "self" or "seo" show up more?
"self" is the more common of the two: it sits at frequency rank #11,301 in our French list, against #13,261 for "seo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "self" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #345,914 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "self" and "seo" also get mixed up with nearby pairs, the highest-scored neighbour is "seo 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 #345,914 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