Which to use
“flack” is a verb and “flaky” is an adjective - they look or sound alike but fill different roles in a sentence.
- #30,799
- “flack” frequency rank
- #34,058
- “flaky” frequency rank
- 64857
- confusion score
Side-by-Side Comparison
| Feature | flack | flaky |
|---|---|---|
| Definition | To flutter; palpitate. | Consisting of flakes or of small, loose masses; lying, or cleaving off, in flakes or layers; flakelike. |
Where the eye mixes flack and flaky
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. flack (CCVCC) and flaky (CCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between flack and flaky
These two trip readers on the page rather than in the ear: flack is /flæk/ while flaky is /ˈfleɪkiː/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 64857, derived from the frequency rank of both members and their visual similarity.
flack is recorded at frequency rank #30,799, classified as averb, pronounced /flæk/. flaky is at rank #34,058, tagged as anadj, pronounced /ˈfleɪkiː/.
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 64857, this pair ranks #75,613 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of flack vs flaky
Shared letters: afkl. Private to "flack": c. Private to "flaky": y.
"flack" · 5 letters · shape CCVCC · "flaky" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "flack" for "flaky" ever safe?
Frequency check: "flack" vs "flaky" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "flack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flaky" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,613 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flack" and "flaky" 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 #75,613 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.