fanvsfogTell them apart

Which to use

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

#2,716
“fan” frequency rank
#46,768
“fog” frequency rank
49484
confusion score

Side-by-Side Comparison

Feature fan fog
Definition Admirateur, admiratrice enthousiaste d’une personne ou d’une chose. Brouillard, brume.

Where the eye mixes fan and fog

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
fan
3 ch
fog

Visual trap between fan and fog

A purely visual mix-up. fan (\fan\) and fog (\fɔɡ\) 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 49484, derived from the frequency rank of both members and their visual similarity.

fan is recorded at frequency rank #2,716, classified as anoun, pronounced \fan\. fog is at rank #46,768, tagged as anoun, pronounced \fɔɡ\.

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 49484, this pair ranks #170,257 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fan vs fog

Shared letters: f. Private to "fan": an. Private to "fog": go.

"fan" · 3 letters · shape CVC  ·  "fog" · 3 letters · shape CVC

Frequently Asked Questions

Can "fan" and "fog" be used interchangeably?
No. They are said differently (\fan\ versus \fɔɡ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fan" or "fog"?
"fan" is the more common of the two: it sits at frequency rank #2,716 in our French list, against #46,768 for "fog". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "fan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #170,257 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fan" and "fog" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fog". Nearby pair

Confusion rank #170,257 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list