Which to use
“fifty” is a num and “flirty” is an adjective - they look or sound alike but fill different roles in a sentence.
- #4,376
- “fifty” frequency rank
- #27,838
- “flirty” frequency rank
- 32214
- confusion score
Side-by-Side Comparison
| Feature | fifty | flirty |
|---|---|---|
| Definition | The cardinal number occurring after forty-nine and before fifty-one. | Flirting, or seeming to flirt. |
Where the eye mixes fifty and flirty
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fifty runs 5 letters (CVCCV) against flirty's 6 (CCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fifty and flirty
These two trip readers on the page rather than in the ear: fifty is /ˈfɪfti/ while flirty is /ˈflɜːti/. 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 (num vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32214, derived from the frequency rank of both members and their visual similarity.
fifty is recorded at frequency rank #4,376, classified as anum, pronounced /ˈfɪfti/. flirty is at rank #27,838, tagged as anadj, pronounced /ˈflɜːti/.
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 32214, this pair ranks #339,694 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fifty vs flirty
Shared letters: fity. Private to "fifty": -. Private to "flirty": lr.
"fifty" · 5 letters · shape CVCCV · "flirty" · 6 letters · shape CCVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fifty" for "flirty" ever safe?
Which is more common, "fifty" or "flirty"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fifty" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flirty" - compare definitions side by side with the headword page. Word entry
- This pair ranks #339,694 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fifty" and "flirty" also get mixed up with nearby pairs, the highest-scored neighbour is "feisty vs flirty". 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 #339,694 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.