fusionvsfusionsConfusable pair

Which to use

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

#3,538
“fusion” frequency rank
#22,871
“fusions” frequency rank
26409
confusion score

Side-by-Side Comparison

Feature fusion fusions
Definition Liquéfaction d’un corps par l’action de la chaleur. Pluriel de fusion.

Same sound, different letters: fusion vs fusions

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 6 letters. fusion runs 6 letters (CVCVVC) against fusions's 7 (CVCVVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
fusion
7 ch
fusions

Ear matches; page differs - fusion and fusions

This is the hard kind. fusion and fusions are pronounced identically (\fy.zjɔ̃\) 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) - “fusion” sits inside “fusions”. Our composite confusion score for this pair is 26409, derived from the frequency rank of both members and their visual similarity.

fusion is recorded at frequency rank #3,538, classified as anoun, pronounced \fy.zjɔ̃\. fusions is at rank #22,871, tagged as anoun, pronounced \fy.zjɔ̃\.

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 26409, this pair ranks #335,189 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fusion vs fusions

Shared letters: finosu. Private to "fusion": -. Private to "fusions": -.

"fusion" · 6 letters · shape CVCVVC  ·  "fusions" · 7 letters · shape CVCVVCC

Known mistypes of this pair

  • fusion ← ffusion · fsuion · fuison · fusino · fusionn · fusoin · fussion · ufsion
  • fusions ← ffusions · fsuions · fuisons · fusinos · fusionns · fusionss · fusiosn · fusoins

Frequently Asked Questions

Do "fusion" and "fusions" mean the same thing in a sentence?
No. They are pronounced the same (\fy.zjɔ̃\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Frequency check: "fusion" vs "fusions" - which ranks higher?
"fusion" is the more common of the two: it sits at frequency rank #3,538 in our French list, against #22,871 for "fusions". 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 "fusion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fusions" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #335,189 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fusion" and "fusions" also get mixed up with nearby pairs, the highest-scored neighbour is "fusionne vs fusions". 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 #335,189 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