Which to use
“fever” is a noun and “fumer” is a verb - they look or sound alike but fill different roles in a sentence.
- #46,168
- “fever” frequency rank
- #4,336
- “fumer” frequency rank
- 50504
- confusion score
Side-by-Side Comparison
| Feature | fever | fumer |
|---|---|---|
| Definition | Fièvre. | Jeter de la fumée. |
Where the eye mixes fever and fumer
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between fever and fumer
These two trip readers on the page rather than in the ear: fever is \ˈfiːvə\ while fumer is \fy.me\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 50504, derived from the frequency rank of both members and their visual similarity.
fever is recorded at frequency rank #46,168, classified as anoun, pronounced \ˈfiːvə\. fumer is at rank #4,336, tagged as averb, pronounced \fy.me\.
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 50504, this pair ranks #162,130 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fever vs fumer
Shared letters: efr. Private to "fever": v. Private to "fumer": mu.
"fever" · 5 letters · shape CVCVC · "fumer" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "fever" and "fumer" mean the same thing in a sentence?
Frequency check: "fever" vs "fumer" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fever" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fumer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #162,130 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fever" and "fumer" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fever". 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 #162,130 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.