fortvsfoxWhat's the difference?

Quick tell: fort is a adjective, fox is a noun, so they fill different roles in a sentence.

Which to use

“fort” is an adjective and “fox” is a noun - they look or sound alike but fill different roles in a sentence.

#380
“fort” frequency rank
#7,832
“fox” frequency rank
8212
confusion score

Side-by-Side Comparison

Feature fort fox
Definition Costaud, robuste, vigoureux. Race de chien, abréviation de fox-terrier.

Where the eye mixes fort and fox

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

4 ch
fort
3 ch
fox

Visual trap between fort and fox

These two trip readers on the page rather than in the ear: fort is \fɔʁ\ while fox is \fɔks\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8212, derived from the frequency rank of both members and their visual similarity.

fort is recorded at frequency rank #380, classified as anadj, pronounced \fɔʁ\. fox is at rank #7,832, tagged as anoun, pronounced \fɔks\.

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 8212, this pair ranks #420,773 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fort vs fox

Shared letters: fo. Private to "fort": rt. Private to "fox": x.

"fort" · 4 letters · shape CVCC  ·  "fox" · 3 letters · shape CVC

Known mistypes of this pair

  • fortffort · forrt · fortt · fotr · frot · ofrt

Frequently Asked Questions

Can "fort" and "fox" be used interchangeably?
No - they are not even the same part of speech. "fort" is an adjective and "fox" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fort" or "fox"?
"fort" is the more common of the two: it sits at frequency rank #380 in our French list, against #7,832 for "fox". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "fort" 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 #420,773 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fort" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fox". 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 #420,773 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