Which to use
“heart” and “hertz” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,642
- “heart” frequency rank
- #38,836
- “hertz” frequency rank
- 54478
- confusion score
Side-by-Side Comparison
| Feature | heart | hertz |
|---|---|---|
| Definition | Cœur, organe vital. | Unité de fréquence permettant de mesurer le nombre de fois où un événement cyclique survient par seconde et dont le symbole est Hz. |
Where the eye mixes heart and hertz
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. heart (CVVCC) and hertz (CVCCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: heart vs hertz
A purely visual mix-up. heart ([hɑːt]) and hertz (^((h aspiré))\ɛʁts\) 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 3 positions. Our composite confusion score for this pair is 54478, derived from the frequency rank of both members and their visual similarity.
heart is recorded at frequency rank #15,642, classified as anoun, pronounced [hɑːt]. hertz is at rank #38,836, tagged as anoun, pronounced ^((h aspiré))\ɛʁts\.
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 54478, this pair ranks #133,760 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of heart vs hertz
Shared letters: ehrt. Private to "heart": a. Private to "hertz": z.
"heart" · 5 letters · shape CVVCC · "hertz" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "heart" for "hertz" ever safe?
Frequency check: "heart" vs "hertz" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "heart" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "hertz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #133,760 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "heart" and "hertz" also get mixed up with nearby pairs, the highest-scored neighbour is "hertz vs heurt". 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 #133,760 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.