Which to use
“foo” is a noun and “fout” is a verb - they look or sound alike but fill different roles in a sentence.
- #43,447
- “foo” frequency rank
- #3,403
- “fout” frequency rank
- 46850
- confusion score
Side-by-Side Comparison
| Feature | foo | fout |
|---|---|---|
| Definition | Variable métasyntaxique en programmation informatique. | Troisième personne du singulier de l’indicatif présent de foutre. |
Letter map: foo vs fout
Shared letters muted; letters that set foo and fout apart highlighted. Shared run: 2.
Part-of-speech tell for foo / fout
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foo is anoun and foutaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46850, derived from the frequency rank of both members and their visual similarity.
foo is recorded at frequency rank #43,447, classified as anoun, pronounced \fu\. fout is at rank #3,403, tagged as averb.
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 46850, this pair ranks #191,572 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of foo vs fout
Shared letters: fo. Private to "foo": -. Private to "fout": tu.
"foo" · 3 letters · shape CVV · "fout" · 4 letters · shape CVVC
Known mistypes of this pair
- fout ← ffout · fotu · foutt · fuot · ofut
Frequently Asked Questions
Can "foo" and "fout" be used interchangeably?
Frequency check: "foo" vs "fout" - which ranks higher?
What to do next
Pair "foo" vs "fout" 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 "fout" - compare definitions side by side with the headword page. Word entry
- This pair ranks #191,572 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "foo" and "fout" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs foo". 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 #191,572 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.