bactérievsbactériesConfusable pair

Which to use

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

#17,079
“bactérie” frequency rank
#8,811
“bactéries” frequency rank
25890
confusion score

Side-by-Side Comparison

Feature bactérie bactéries
Definition Micro-organisme unicellulaire et sans noyau compartimenté ni organites. Pluriel de bactérie.

Same sound, different letters: bactérie vs bactéries

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

8 ch
bactérie
9 ch
bactéries

Ear matches; page differs - bactérie and bactéries

This is the hard kind. bactérie and bactéries are pronounced identically (\bak.te.ʁi\) 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) - “bactérie” sits inside “bactéries”. Our composite confusion score for this pair is 25890, derived from the frequency rank of both members and their visual similarity.

bactérie is recorded at frequency rank #17,079, classified as anoun, pronounced \bak.te.ʁi\. bactéries is at rank #8,811, tagged as anoun, pronounced \bak.te.ʁi\.

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 25890, this pair ranks #338,293 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bactérie vs bactéries

Shared letters: abceirté. Private to "bactérie": -. Private to "bactéries": s.

"bactérie" · 8 letters · shape CVCCVCVV  ·  "bactéries" · 9 letters · shape CVCCVCVVC

Frequently Asked Questions

Is swapping "bactérie" for "bactéries" ever safe?
No. They are pronounced the same (\bak.te.ʁi\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Frequency check: "bactérie" vs "bactéries" - which ranks higher?
"bactéries" is the more common of the two: it sits at frequency rank #8,811 in our French list, against #17,079 for "bactérie". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

"bactérie" and "bactéries" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "bactérie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bactéries" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #338,293 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bactérie" and "bactéries" also get mixed up with nearby pairs, the highest-scored neighbour is "bactérie vs batteries". Nearby pair

Confusion rank #338,293 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