Which to use
“legacy” and “lunacy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,825
- “legacy” frequency rank
- #32,485
- “lunacy” frequency rank
- 36310
- confusion score
Side-by-Side Comparison
| Feature | legacy | lunacy |
|---|---|---|
| Definition | Money or property bequeathed to someone in a will. | The state of being mad, insanity |
Where the eye mixes legacy and lunacy
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. legacy and lunacy follow the identical consonant-vowel pattern (CVCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses legacy with lunacy
A purely visual mix-up. legacy (/ˈlɛɡəsi/) and lunacy (/ˈluː.nə.si/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 36310, derived from the frequency rank of both members and their visual similarity.
legacy is recorded at frequency rank #3,825, classified as anoun, pronounced /ˈlɛɡəsi/. lunacy is at rank #32,485, tagged as anoun, pronounced /ˈluː.nə.si/.
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 36310, this pair ranks #304,222 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of legacy vs lunacy
Shared letters: acly. Private to "legacy": eg. Private to "lunacy": nu.
"legacy" · 6 letters · shape CVCVCV · "lunacy" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "legacy" and "lunacy" mean the same thing in a sentence?
In ordinary English text, does "legacy" or "lunacy" show up more?
Useful next steps
Eye-level mix-up between "legacy" and "lunacy" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "legacy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lunacy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #304,222 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "legacy" and "lunacy" also get mixed up with nearby pairs, the highest-scored neighbour is "lunacy vs Lundy". 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 #304,222 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.