Which to use
“souterrain” and “souterrains” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,673
- “souterrain” frequency rank
- #18,326
- “souterrains” frequency rank
- 30999
- confusion score
Side-by-Side Comparison
| Feature | souterrain | souterrains |
|---|---|---|
| Definition | Qui est sous terre. | Masculin pluriel de souterrain. |
Same sound, different letters: souterrain vs souterrains
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 10 letters.
Homophone desk: souterrain vs souterrains
This is the hard kind. souterrain and souterrains are pronounced identically (\su.tɛ.ʁɛ̃\) and both work as anadjective. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “souterrain” sits inside “souterrains”. Our composite confusion score for this pair is 30999, derived from the frequency rank of both members and their visual similarity.
souterrain is recorded at frequency rank #12,673, classified as anadj, pronounced \su.tɛ.ʁɛ̃\. souterrains is at rank #18,326, tagged as anadj, pronounced \su.tɛ.ʁɛ̃\.
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 30999, this pair ranks #306,654 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of souterrain vs souterrains
Shared letters: aeinorstu. Private to "souterrain": -. Private to "souterrains": -.
"souterrain" · 10 letters · shape CVVCVCCVVC · "souterrains" · 11 letters · shape CVVCVCCVVCC
Known mistypes of this pair
- souterrain ← osuterrain · sotuerrain · souetrrain · souterain · souterarin · souterrainn · souterrani · souterrian
- souterrains ← osuterrains · sotuerrains · souetrrains · souterains · souterarins · souterrainns · souterrainss · souterraisn
Frequently Asked Questions
Do "souterrain" and "souterrains" mean the same thing in a sentence?
Which is more common, "souterrain" or "souterrains"?
Useful next steps
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "souterrain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "souterrains" - compare definitions side by side with the headword page. Word entry
- This pair ranks #306,654 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "souterrain" and "souterrains" also get mixed up with nearby pairs, the highest-scored neighbour is "souterraines vs souterrains". 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 #306,654 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.