terreauvsterresWhich spelling fits?

Which to use

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

#22,436
“terreau” frequency rank
#1,978
“terres” frequency rank
24414
confusion score

Side-by-Side Comparison

Feature terreau terres
Definition Support, substrat, majoritairement composé de débris végétaux, destiné à la culture des plantes en pot. Pluriel de terre.

Where the eye mixes terreau and terres

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. terreau runs 7 letters (CVCCVVV) against terres's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
terreau
6 ch
terres

Why the eye confuses terreau with terres

A purely visual mix-up. terreau (\tɛ.ʁo\) and terres (\tɛʁ\) 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 24414, derived from the frequency rank of both members and their visual similarity.

terreau is recorded at frequency rank #22,436, classified as anoun, pronounced \tɛ.ʁo\. terres is at rank #1,978, tagged as anoun, pronounced \tɛʁ\.

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 24414, this pair ranks #346,767 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of terreau vs terres

Shared letters: ert. Private to "terreau": au. Private to "terres": s.

"terreau" · 7 letters · shape CVCCVVV  ·  "terres" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • terreauetrreau · tereau · tererau · terraeu · terreua · trereau · tterreau
  • terresetrres · terers · teres · terress · terrse · treres · tterres

Frequently Asked Questions

Is swapping "terreau" for "terres" ever safe?
No. They are said differently (\tɛ.ʁo\ versus \tɛʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "terreau" vs "terres" - which ranks higher?
"terres" is the more common of the two: it sits at frequency rank #1,978 in our French list, against #22,436 for "terreau". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "terreau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "terres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #346,767 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "terreau" and "terres" also get mixed up with nearby pairs, the highest-scored neighbour is "terreau vs terreaux". 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 #346,767 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