Which to use
“heat” and “hertz” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,290
- “heat” frequency rank
- #38,836
- “hertz” frequency rank
- 61126
- confusion score
Side-by-Side Comparison
| Feature | heat | hertz |
|---|---|---|
| Definition | Session d'échauffement d'un cheval de course qui a lieu quelques heures avant l'épreuve. | 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 heat and hertz
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. heat runs 4 letters (CVVC) against hertz's 5 (CVCCC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between heat and hertz
A purely visual mix-up. heat (^((h aspiré))\it\) 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 61126, derived from the frequency rank of both members and their visual similarity.
heat is recorded at frequency rank #22,290, classified as anoun, pronounced ^((h aspiré))\it\. 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 61126, this pair ranks #93,928 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of heat vs hertz
Shared letters: eht. Private to "heat": a. Private to "hertz": rz.
"heat" · 4 letters · shape CVVC · "hertz" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "heat" for "hertz" ever safe?
Which is more common, "heat" or "hertz"?
What to do next
Eye-level mix-up between "heat" and "hertz" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "heat" 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 #93,928 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "heat" 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 #93,928 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.