fogvsfoxTell them apart

Which to use

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

#8,288
“fog” frequency rank
#2,204
“fox” frequency rank
10492
confusion score

Side-by-Side Comparison

Feature fog fox
Definition A thick cloud that forms near the ground; the obscurity of such a cloud. A small-to-medium-sized canine mammal, related to dogs and wolves, with a flattened skull, upright triangular ears, a pointed, slightly upturned snout, and a long bushy tail, of the following groups:

Where the eye mixes fog and fox

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

3 ch
fog
3 ch
fox

Look-alike desk: fog vs fox

A purely visual mix-up. fog (/fɒɡ/) and fox (/fɒks/) 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 - g in “fog” becomes x in “fox”. Our composite confusion score for this pair is 10492, derived from the frequency rank of both members and their visual similarity.

fog is recorded at frequency rank #8,288, classified as anoun, pronounced /fɒɡ/. fox is at rank #2,204, tagged as anoun, pronounced /fɒks/.

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 10492, this pair ranks #492,046 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fog vs fox

Shared letters: fo. Private to "fog": g. Private to "fox": x.

"fog" · 3 letters · shape CVC  ·  "fox" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fog" for "fox" ever safe?
No. They are said differently (/fɒɡ/ versus /fɒks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fog" or "fox"?
"fox" is the more common of the two: it sits at frequency rank #2,204 in our English list, against #8,288 for "fog". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "fog" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #492,046 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fog" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "fog vs FOMO". Nearby pair

Confusion rank #492,046 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