sonvssoundTell them apart

Quick tell: son is a determiner, sound is a noun, so they fill different roles in a sentence.

Which to use

“son” is a determiner and “sound” is a noun - they look or sound alike but fill different roles in a sentence.

#42
“son” frequency rank
#18,599
“sound” frequency rank
18641
confusion score

Side-by-Side Comparison

Feature son sound
Definition Troisième personne du sujet, objet masculin singulier. Son, bruit.

Where the eye mixes son and sound

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

3 ch
son
5 ch
sound

Visual trap between son and sound

These two trip readers on the page rather than in the ear: son is \sɔ̃\ while sound is \saʊnd\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (determiner vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18641, derived from the frequency rank of both members and their visual similarity.

son is recorded at frequency rank #42, classified as adet, pronounced \sɔ̃\. sound is at rank #18,599, tagged as anoun, pronounced \saʊnd\.

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 18641, this pair ranks #377,267 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of son vs sound

Shared letters: nos. Private to "son": -. Private to "sound": du.

"son" · 3 letters · shape CVC  ·  "sound" · 5 letters · shape CVVCC

Known mistypes of this pair

  • soundosund · sonud · soudn · soundd · sounnd · ssound · suond

Frequently Asked Questions

Is swapping "son" for "sound" ever safe?
No - they are not even the same part of speech. "son" is a determiner and "sound" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "son" or "sound" show up more?
"son" is the more common of the two: it sits at frequency rank #42 in our French list, against #18,599 for "sound". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "son" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sound" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #377,267 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "son" and "sound" also get mixed up with nearby pairs, the highest-scored neighbour is "Soult vs sound". 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 #377,267 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