factvsfanWhich spelling fits?

Which to use

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

#371
“fact” frequency rank
#1,270
“fan” frequency rank
1641
confusion score

Side-by-Side Comparison

Feature fact fan
Definition Something actual as opposed to invented. 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.

Where the eye mixes fact and fan

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

4 ch
fact
3 ch
fan

Why the eye confuses fact with fan

A purely visual mix-up. fact (/fækt/) and fan (/fæn/) 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 1 letter(s) in length. Our composite confusion score for this pair is 1641, derived from the frequency rank of both members and their visual similarity.

fact is recorded at frequency rank #371, classified as anoun, pronounced /fækt/. fan is at rank #1,270, tagged as anoun, pronounced /fæn/.

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 1641, this pair ranks #527,000 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fact vs fan

Shared letters: af. Private to "fact": ct. Private to "fan": n.

"fact" · 4 letters · shape CVCC  ·  "fan" · 3 letters · shape CVC

Known mistypes of this pair

  • factafct · facct · factt · fatc · fcat · ffact

Frequently Asked Questions

Can "fact" and "fan" be used interchangeably?
No. They are said differently (/fækt/ versus /fæn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fact" or "fan"?
"fact" is the more common of the two: it sits at frequency rank #371 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fact" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #527,000 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fact" and "fan" also get mixed up with nearby pairs, the highest-scored neighbour is "fan vs foh". 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 #527,000 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