foovsfowlWhich spelling fits?

Which to use

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

#18,562
“foo” frequency rank
#28,924
“fowl” frequency rank
47486
confusion score

Side-by-Side Comparison

Feature foo fowl
Definition Alternative form of fu: an administrative subdivision of imperial China; the capital of such divisions. A bird hunted or kept for food, grouped into landfowl (order Galliformes), also called gamefowl, and waterfowl (order Anseriformes: ducks, geese, swans, etc.), which together form the clade Galloanserae.

Where the eye mixes foo and fowl

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

3 ch
foo
4 ch
fowl

Look-alike desk: foo vs fowl

A purely visual mix-up. foo (/fuː/) and fowl (/faʊl/) 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 47486, 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/. fowl is at rank #28,924, tagged as anoun, pronounced /faʊl/.

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 47486, this pair ranks #201,968 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foo vs fowl

Shared letters: fo. Private to "foo": -. Private to "fowl": lw.

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

Known mistypes of this pair

  • fowlffowl · fowll · fowwl · fwol · ofwl

Frequently Asked Questions

Is swapping "foo" for "fowl" ever safe?
No. They are said differently (/fuː/ versus /faʊl/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "foo" or "fowl"?
"foo" is the more common of the two: it sits at frequency rank #18,562 in our English list, against #28,924 for "fowl". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "foo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fowl" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #201,968 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "foo" and "fowl" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fowl". 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 #201,968 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