fevervsfiverWhat's the difference?

Which to use

“fever” and “fiver” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,945
“fever” frequency rank
#41,124
“fiver” frequency rank
46069
confusion score

Side-by-Side Comparison

Feature fever fiver
Definition A higher than normal body temperature of a person (or, generally, a mammal), usually caused by disease. A banknote with a value of five units of currency.

Where the eye mixes fever and fiver

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
fever
5 ch
fiver

Spelling & Dictionary Insight

A purely visual mix-up. fever (/ˈfiːvə/) and fiver (/ˈfaɪvɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - e in “fever” becomes i in “fiver”. Our composite confusion score for this pair is 46069, derived from the frequency rank of both members and their visual similarity.

fever is recorded at frequency rank #4,945, classified as anoun, pronounced /ˈfiːvə/. fiver is at rank #41,124, tagged as anoun, pronounced /ˈfaɪvɚ/.

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 46069, this pair ranks #215,286 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fever vs fiver

Shared letters: efrv. Private to "fever": -. Private to "fiver": i.

"fever" · 5 letters · shape CVCVC  ·  "fiver" · 5 letters · shape CVCVC

Known mistypes of this pair

  • feverefver · feevr · feverr · fevre · fevver · ffever · fveer
  • fiverffiver · fievr · fiverr · fivre · fivver · fvier · ifver

Frequently Asked Questions

Can "fever" and "fiver" be used interchangeably?
No. They are said differently (/ˈfiːvə/ versus /ˈfaɪvɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fever" or "fiver"?
"fever" is the more common of the two: it sits at frequency rank #4,945 in our English list, against #41,124 for "fiver". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list