superfluvssuperflusConfusable pair

Which to use

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

#23,702
“superflu” frequency rank
#33,907
“superflus” frequency rank
57609
confusion score

Side-by-Side Comparison

Feature superflu superflus
Definition Qui n’est pas essentiel, qui est de trop. Masculin pluriel de superflu.

Same sound, different letters: superflu vs superflus

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters.

8 ch
superflu
9 ch
superflus

Ear matches; page differs - superflu and superflus

This is the hard kind. superflu and superflus are pronounced identically (\sy.pɛʁ.fly\) 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) - “superflu” sits inside “superflus”. Our composite confusion score for this pair is 57609, derived from the frequency rank of both members and their visual similarity.

superflu is recorded at frequency rank #23,702, classified as anadj, pronounced \sy.pɛʁ.fly\. superflus is at rank #33,907, tagged as anadj, pronounced \sy.pɛʁ.fly\.

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 57609, this pair ranks #113,998 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of superflu vs superflus

Shared letters: eflprsu. Private to "superflu": -. Private to "superflus": -.

"superflu" · 8 letters · shape CVCVCCCV  ·  "superflus" · 9 letters · shape CVCVCCCVC

Known mistypes of this pair

  • superfluspuerflu · ssuperflu · sueprflu · supefrlu · superfflu · superfllu · superful · superlfu
  • superflusspuerflus · ssuperflus · sueprflus · supefrlus · superfflus · superfllus · superflsu · superfluss

Frequently Asked Questions

Is swapping "superflu" for "superflus" ever safe?
No. They are pronounced the same (\sy.pɛʁ.fly\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
In ordinary French text, does "superflu" or "superflus" show up more?
"superflu" is the more common of the two: it sits at frequency rank #23,702 in our French list, against #33,907 for "superflus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "superflu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "superflus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #113,998 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "superflu" and "superflus" also get mixed up with nearby pairs, the highest-scored neighbour is "superflue vs superflus". 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 #113,998 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