Which to use
“Luca” is a name and “lucky” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,663
- “Luca” frequency rank
- #1,766
- “lucky” frequency rank
- 19429
- confusion score
Side-by-Side Comparison
| Feature | Luca | lucky |
|---|---|---|
| Definition | A male given name from Italian, borrowed in the 2000s. | Favoured by luck; fortunate; having good success or good fortune. |
Where the eye mixes Luca and lucky
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: Luca vs lucky
These two trip readers on the page rather than in the ear: Luca is /ˈluːkə/ while lucky is /ˈlʌki/. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19429, derived from the frequency rank of both members and their visual similarity.
Luca is recorded at frequency rank #17,663, classified as aname, pronounced /ˈluːkə/. lucky is at rank #1,766, tagged as anadj, pronounced /ˈlʌki/.
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 19429, this pair ranks #438,246 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Luca vs lucky
Shared letters: clu. Private to "Luca": a. Private to "lucky": ky.
"Luca" · 4 letters · shape CVCV · "lucky" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Luca" for "lucky" ever safe?
Frequency check: "Luca" vs "lucky" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Luca" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lucky" - compare definitions side by side with the headword page. Word entry
- This pair ranks #438,246 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Luca" and "lucky" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs Luca". 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 #438,246 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.