membranevsmembranesWhich spelling fits?

Which to use

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

#15,439
“membrane” frequency rank
#30,704
“membranes” frequency rank
46143
confusion score

Side-by-Side Comparison

Feature membrane membranes
Definition Tissu organique animal servant à former, envelopper, séparer ou tapisser des cellules ou des organes. Pluriel de membrane.

Same sound, different letters: membrane vs membranes

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters. membrane runs 8 letters (CVCCCVCV) against membranes's 9 (CVCCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
membrane
9 ch
membranes

Same sound, different spelling - membrane / membranes

This is the hard kind. membrane and membranes are pronounced identically (\mɑ̃.bʁan\) and both work as anoun. 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) - “membrane” sits inside “membranes”. Our composite confusion score for this pair is 46143, derived from the frequency rank of both members and their visual similarity.

membrane is recorded at frequency rank #15,439, classified as anoun, pronounced \mɑ̃.bʁan\. membranes is at rank #30,704, tagged as anoun, pronounced \mɑ̃.bʁan\.

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 46143, this pair ranks #197,273 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of membrane vs membranes

Shared letters: abemnr. Private to "membrane": -. Private to "membranes": s.

"membrane" · 8 letters · shape CVCCCVCV  ·  "membranes" · 9 letters · shape CVCCCVCVC

Known mistypes of this pair

  • membrane ← emmbrane · mebmrane · membarne · membbrane · membraen · membranne · membrnae · membrrane
  • membranes ← emmbranes · mebmranes · membarnes · membbranes · membraens · membraness · membrannes · membranse

Frequently Asked Questions

Is swapping "membrane" for "membranes" ever safe?
No. They are pronounced the same (\mɑ̃.bʁan\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "membrane" or "membranes"?
"membrane" is the more common of the two: it sits at frequency rank #15,439 in our French list, against #30,704 for "membranes". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "membrane" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "membranes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #197,273 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "membrane" and "membranes" also get mixed up with nearby pairs, the highest-scored neighbour is "membranes vs membres". 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 #197,273 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