favsfoxWhich spelling fits?

Which to use

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

#5,107
“fa” frequency rank
#5,109
“fox” frequency rank
10216
confusion score

Side-by-Side Comparison

Feature fa fox
Definition En solfeo, cuarta nota de la escala musical. (Vulpes vulpes) Zorro.

Where the eye mixes fa and fox

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

2 ch
fa
3 ch
fox

Visual trap between fa and fox

A purely visual mix-up. fa ([ˈfa]) 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 1 letter(s) in length. Our composite confusion score for this pair is 10216, derived from the frequency rank of both members and their visual similarity.

fa is recorded at frequency rank #5,107, classified as anoun, pronounced [ˈfa]. fox is at rank #5,109, 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 10216, this pair ranks #299,421 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fa vs fox

Shared letters: f. Private to "fa": a. Private to "fox": ox.

"fa" · 2 letters · shape CV  ·  "fox" · 3 letters · shape CVC

Frequently Asked Questions

Can "fa" and "fox" be used interchangeably?
No. They are said differently ([ˈfa] versus /fɒks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fa" or "fox"?
"fa" is the more common of the two: it sits at frequency rank #5,107 in our Spanish list, against #5,109 for "fox". 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 "fa" and "fox" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fa" 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 #299,421 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fa" and "fox" also get mixed up with nearby pairs, the highest-scored neighbour is "fora vs fox". Nearby pair

Confusion rank #299,421 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list