Which to use
“Hs” is a noun and “Hz” is a symbol - they look or sound alike but fill different roles in a sentence.
- #14,696
- “Hs” frequency rank
- #35,085
- “Hz” frequency rank
- 49781
- confusion score
Side-by-Side Comparison
| Feature | Hs | Hz |
|---|---|---|
| Definition | Pluriel de H. | Symbole du hertz, unité de mesure de la fréquence dans le Système international. |
Letter map: Hs vs Hz
Shared letters muted; letters that set Hs and Hz apart highlighted. Shared run: 1.
Part-of-speech tell for Hs / Hz
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Hs is anoun and Hzasymbol. On the page they differ by a single letter - s in “Hs” becomes z in “Hz”. Our composite confusion score for this pair is 49781, derived from the frequency rank of both members and their visual similarity.
Hs is recorded at frequency rank #14,696, classified as anoun, pronounced \haːs\. Hz is at rank #35,085, tagged as asymbol.
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 49781, this pair ranks #167,897 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Hs vs Hz
Shared letters: h. Private to "Hs": s. Private to "Hz": z.
"Hs" · 2 letters · shape CC · "Hz" · 2 letters · shape CC
Frequently Asked Questions
Is swapping "Hs" for "Hz" ever safe?
Which is more common, "Hs" or "Hz"?
Useful next steps
Pair "Hs" vs "Hz" is on the table, pick a follow-up below.
- Full dictionary entry for "Hs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Hz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #167,897 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Hs" and "Hz" also get mixed up with nearby pairs, the highest-scored neighbour is "hae vs Hz". Nearby pair
Confusion rank #167,897 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.