sousvssoyaWhat's the difference?

Quick tell: sous is a preposition, soya is a noun, so they fill different roles in a sentence.

Which to use

“sous” is a preposition and “soya” is a noun - they look or sound alike but fill different roles in a sentence.

#115
“sous” frequency rank
#49,368
“soya” frequency rank
49483
confusion score

Side-by-Side Comparison

Feature sous soya
Definition Sert à marquer la situation d’une chose à l’égard d’une autre qui est au-dessus, par-dessus, qui la couvre en totalité ou en partie. Sauce de soja.

Where the eye mixes sous and soya

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

4 ch
sous
4 ch
soya

Visual trap between sous and soya

These two trip readers on the page rather than in the ear: sous is \su\ while soya is \sɔ.ja\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49483, derived from the frequency rank of both members and their visual similarity.

sous is recorded at frequency rank #115, classified as aprep, pronounced \su\. soya is at rank #49,368, tagged as anoun, pronounced \sɔ.ja\.

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 49483, this pair ranks #170,263 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sous vs soya

Shared letters: os. Private to "sous": u. Private to "soya": ay.

"sous" · 4 letters · shape CVVC  ·  "soya" · 4 letters · shape CVVV

Known mistypes of this pair

  • sousosus · sosu · souss · ssous · suos
  • soyaosya · soay · soyya · ssoya · syoa

Frequently Asked Questions

Can "sous" and "soya" be used interchangeably?
No - they are not even the same part of speech. "sous" is a preposition and "soya" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sous" or "soya"?
"sous" is the more common of the two: it sits at frequency rank #115 in our French list, against #49,368 for "soya". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "sous" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "soya" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #170,263 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sous" and "soya" also get mixed up with nearby pairs, the highest-scored neighbour is "Soraya vs soya". 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 #170,263 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