SMSvssouWhich spelling fits?

Which to use

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

#4,713
“SMS” frequency rank
#10,242
“sou” frequency rank
14955
confusion score

Side-by-Side Comparison

Feature SMS sou
Definition Court message écrit qu’on peut envoyer de téléphone mobile à téléphone mobile. Monnaie d’or médiévale, dérivant du solidus romain.

Where the eye mixes SMS and sou

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
SMS
3 ch
sou

Visual trap between SMS and sou

A purely visual mix-up. SMS (\ɛ.s‿ɛ.m‿ɛs\) and sou (\su\) 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 14955, derived from the frequency rank of both members and their visual similarity.

SMS is recorded at frequency rank #4,713, classified as anoun, pronounced \ɛ.s‿ɛ.m‿ɛs\. sou is at rank #10,242, tagged as anoun, pronounced \su\.

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 14955, this pair ranks #394,488 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of SMS vs sou

Shared letters: s. Private to "SMS": m. Private to "sou": ou.

"SMS" · 3 letters · shape CCC  ·  "sou" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "SMS" for "sou" ever safe?
No. They are said differently (\ɛ.s‿ɛ.m‿ɛs\ versus \su\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "SMS" vs "sou" - which ranks higher?
"SMS" is the more common of the two: it sits at frequency rank #4,713 in our French list, against #10,242 for "sou". 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 "SMS" and "sou" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "SMS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #394,488 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "SMS" and "sou" also get mixed up with nearby pairs, the highest-scored neighbour is "sou vs suu". Nearby pair

Confusion rank #394,488 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