foovsFoxxTell them apart

Quick tell: foo is a noun, Foxx is a name, so they fill different roles in a sentence.

Which to use

“foo” is a noun and “Foxx” is a name - they look or sound alike but fill different roles in a sentence.

#18,562
“foo” frequency rank
#29,283
“Foxx” frequency rank
47845
confusion score

Side-by-Side Comparison

Feature foo Foxx
Definition Alternative form of fu: an administrative subdivision of imperial China; the capital of such divisions. A surname.

Letter map: foo vs Foxx

Shared letters muted; letters that set foo and Foxx apart highlighted. Shared run: 2.

3 ch
foo
4 ch
Foxx

Role in the sentence - foo and Foxx

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foo is anoun and Foxxaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47845, derived from the frequency rank of both members and their visual similarity.

foo is recorded at frequency rank #18,562, classified as anoun, pronounced /fuː/. Foxx is at rank #29,283, tagged as aname.

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 47845, this pair ranks #198,656 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foo vs Foxx

Shared letters: fo. Private to "foo": -. Private to "Foxx": x.

"foo" · 3 letters · shape CVV  ·  "Foxx" · 4 letters · shape CVCC

Known mistypes of this pair

  • Foxxffoxx · fxox · ofxx

Frequently Asked Questions

Is swapping "foo" for "Foxx" ever safe?
No - they are not even the same part of speech. "foo" is a noun and "Foxx" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "foo" vs "Foxx" - which ranks higher?
"foo" is the more common of the two: it sits at frequency rank #18,562 in our English list, against #29,283 for "Foxx". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "foo" vs "Foxx" is on the table, pick a follow-up below.

  • Full dictionary entry for "foo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Foxx" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #198,656 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "foo" and "Foxx" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs Foxx". 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 #198,656 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