Which to use
“flaky” is an adjective and “flask” is a noun - they look or sound alike but fill different roles in a sentence.
- #34,058
- “flaky” frequency rank
- #22,379
- “flask” frequency rank
- 56437
- confusion score
Side-by-Side Comparison
| Feature | flaky | flask |
|---|---|---|
| Definition | Consisting of flakes or of small, loose masses; lying, or cleaving off, in flakes or layers; flakelike. | A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc. |
Where the eye mixes flaky and flask
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses flaky with flask
These two trip readers on the page rather than in the ear: flaky is /ˈfleɪkiː/ while flask is /ˈflɑːsk/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 56437, derived from the frequency rank of both members and their visual similarity.
flaky is recorded at frequency rank #34,058, classified as anadj, pronounced /ˈfleɪkiː/. flask is at rank #22,379, tagged as anoun, pronounced /ˈflɑːsk/.
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 56437, this pair ranks #126,315 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of flaky vs flask
Shared letters: afkl. Private to "flaky": y. Private to "flask": s.
"flaky" · 5 letters · shape CCVCV · "flask" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "flaky" for "flask" ever safe?
Which is more common, "flaky" or "flask"?
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 "flaky" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flask" - compare definitions side by side with the headword page. Word entry
- This pair ranks #126,315 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flaky" and "flask" also get mixed up with nearby pairs, the highest-scored neighbour is "flaked vs flaky". 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 #126,315 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.