Which to use
“flour” is a noun and “foul” is an adjective - they look or sound alike but fill different roles in a sentence.
- #7,135
- “flour” frequency rank
- #6,574
- “foul” frequency rank
- 13709
- confusion score
Side-by-Side Comparison
| Feature | flour | foul |
|---|---|---|
| Definition | Powder obtained by grinding or milling cereal grains, especially wheat, or other foodstuffs such as soybeans and potatoes, and used to bake bread, cakes, and pastry. | Covered with, or containing unclean matter; dirty. |
Where the eye mixes flour and foul
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: flour vs foul
These two trip readers on the page rather than in the ear: flour is /ˈflaʊ̯.ə/ while foul is /faʊl/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 13709, derived from the frequency rank of both members and their visual similarity.
flour is recorded at frequency rank #7,135, classified as anoun, pronounced /ˈflaʊ̯.ə/. foul is at rank #6,574, tagged as anadj, 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 13709, this pair ranks #474,254 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of flour vs foul
Shared letters: flou. Private to "flour": r. Private to "foul": -.
"flour" · 5 letters · shape CCVVC · "foul" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "flour" and "foul" be used interchangeably?
Which is more common, "flour" or "foul"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "flour" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "foul" - compare definitions side by side with the headword page. Word entry
- This pair ranks #474,254 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flour" and "foul" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs foul". 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 #474,254 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.