fanvsfunWhat's the difference?

Which to use

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

#1,270
“fan” frequency rank
#502
“fun” frequency rank
1772
confusion score

Side-by-Side Comparison

Feature fan fun
Definition A hand-held device consisting of concertinaed material, or slats of material, gathered together at one end, that may be opened out into the shape of a sector of a circle and waved back and forth in order to move air towards oneself and cool oneself. Amusement, enjoyment or pleasure.

Where the eye mixes fan and fun

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
fan
3 ch
fun

Why the eye confuses fan with fun

A purely visual mix-up. fan (/fæn/) and fun (/fʌn/) 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 - a in “fan” becomes u in “fun”. Our composite confusion score for this pair is 1772, derived from the frequency rank of both members and their visual similarity.

fan is recorded at frequency rank #1,270, classified as anoun, pronounced /fæn/. fun is at rank #502, tagged as anoun, pronounced /fʌn/.

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 1772, this pair ranks #526,699 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fan vs fun

Shared letters: fn. Private to "fan": a. Private to "fun": u.

"fan" · 3 letters · shape CVC  ·  "fun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fan" for "fun" ever safe?
No. They are said differently (/fæn/ versus /fʌn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "fan" or "fun" show up more?
"fun" is the more common of the two: it sits at frequency rank #502 in our English list, against #1,270 for "fan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "fan" and "fun" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #526,699 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fan" and "fun" also get mixed up with nearby pairs, the highest-scored neighbour is "fan vs foh". Nearby pair

Confusion rank #526,699 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