Which to use
“flag” is a noun and “fly” is a verb - they look or sound alike but fill different roles in a sentence.
- #27,232
- “flag” frequency rank
- #30,917
- “fly” frequency rank
- 58149
- confusion score
Side-by-Side Comparison
| Feature | flag | fly |
|---|---|---|
| Definition | Variable que ouede tomar sólo dos valores posibles, que por lo general se indican mediante 1 (verdadero) y 0 (falso). | Volar. |
Where the eye mixes flag and fly
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: flag vs fly
These two trip readers on the page rather than in the ear: flag is [ˈflaɣ̞] while fly is [flaɪ]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 58149, derived from the frequency rank of both members and their visual similarity.
flag is recorded at frequency rank #27,232, classified as anoun, pronounced [ˈflaɣ̞]. fly is at rank #30,917, tagged as averb, pronounced [flaɪ].
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 58149, this pair ranks #67,580 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of flag vs fly
Shared letters: fl. Private to "flag": ag. Private to "fly": y.
"flag" · 4 letters · shape CCVC · "fly" · 3 letters · shape CCV
Known mistypes of this pair
- flag ← falg · fflag · flagg · flga · fllag · lfag
Frequently Asked Questions
Can "flag" and "fly" be used interchangeably?
Frequency check: "flag" vs "fly" - which ranks higher?
After this comparison
Eye-level mix-up between "flag" and "fly" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "flag" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #67,580 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "flag" and "fly" also get mixed up with nearby pairs, the highest-scored neighbour is "falo vs fly". 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 #67,580 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.