filvsfoxWhich spelling fits?

Which to use

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

#19,085
“fil” frequency rank
#2,204
“fox” frequency rank
21289
confusion score

Side-by-Side Comparison

Feature fil fox
Definition A Nordic dairy product, similar to yogurt, but using different bacteria which give a different taste and texture. 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 fil and fox

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

3 ch
fil
3 ch
fox

Why the eye confuses fil with fox

A purely visual mix-up. fil (/fiːl/) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 21289, derived from the frequency rank of both members and their visual similarity.

fil is recorded at frequency rank #19,085, classified as anoun, pronounced /fiːl/. 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 21289, this pair ranks #424,966 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fil vs fox

Shared letters: f. Private to "fil": il. Private to "fox": ox.

"fil" · 3 letters · shape CVC  ·  "fox" · 3 letters · shape CVC

Frequently Asked Questions

Do "fil" and "fox" mean the same thing in a sentence?
No. They are said differently (/fiːl/ versus /fɒks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fil" vs "fox" - which ranks higher?
"fox" is the more common of the two: it sits at frequency rank #2,204 in our English list, against #19,085 for "fil". 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 "fil" and "fox" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fil" 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 #424,966 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fil" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "fil vs foh". Nearby pair

Confusion rank #424,966 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