fevervsfreerWhat's the difference?

Which to use

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

#4,945
“fever” frequency rank
#29,284
“freer” frequency rank
34229
confusion score

Side-by-Side Comparison

Feature fever freer
Definition A higher than normal body temperature of a person (or, generally, a mammal), usually caused by disease. One who frees.

Where the eye mixes fever and freer

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

5 ch
fever
5 ch
freer

Look-alike desk: fever vs freer

A purely visual mix-up. fever (/ˈfiːvə/) and freer (/ˈfɹiːəɹ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34229, 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/. freer is at rank #29,284, tagged as anoun, pronounced /ˈfɹiːəɹ/.

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 34229, this pair ranks #322,561 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fever vs freer

Shared letters: efr. Private to "fever": v. Private to "freer": -.

"fever" · 5 letters · shape CVCVC  ·  "freer" · 5 letters · shape CCVVC

Known mistypes of this pair

  • feverefver · feevr · feverr · fevre · fevver · ffever · fveer
  • freerferer · ffreer · freerr · frer · frere · frreer

Frequently Asked Questions

Is swapping "fever" for "freer" ever safe?
No. They are said differently (/ˈfiːvə/ versus /ˈfɹiːəɹ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "fever" or "freer" show up more?
"fever" is the more common of the two: it sits at frequency rank #4,945 in our English list, against #29,284 for "freer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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 "freer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #322,561 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fever" and "freer" also get mixed up with nearby pairs, the highest-scored neighbour is "Fredo vs freer". 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 #322,561 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list