Hz

symbol

The verdict

“Hz” sits in 20 confusable pairs (corpus #35,085) as a symbol. The look-alike neighbours are the real trap.

#35,085
frequency rank, French
1,969
“H” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Symbole du hertz, unité de mesure de la fréquence dans le Système international.

Corpus desk

Index FR-hz · Hz · French

Hz · rank #35,085 · 0 variants · 20 confusables

  • FREQ-MID #35,085
  • LEN-SHORT 2 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,969
  • PHOTO-FINISH hypermarché

Nearest frequency peer: hypermarché (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Voisins de fréquence du confusable « Hz »

Pairs de poids proche dans le corpus, séparés des confusables ci-dessous

corpus weight

What this shows Les barres placent « Hz » face aux lemmes français les plus proches par rang, pas un reprint du bureau des confusables.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Hz vs H
50% similar
Hz vs ha
0% similar
Hz vs He
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Hz
PropertyValue
HeadwordHz
LanguageFrench
Part of speechSymbol
Letters2
Frequency rank#35,085
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Rang de corpus près des confusables de « Hz »

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).Hzse place ici:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Dans la même bande de rareté figurent « hypermarché » (#35,084), « hécatombe » (#35,086), « horizontaux » (#35,083). Parmi 1,969 lemmes en « H », « Hz » est au #35,085. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for Hz is neighbouring look-alikes ("H", "ha", …), not just typos; it is asymbol. Frequency #35,085 among 1,969 “H” headwords. Gloss: "Symbole du hertz, unité de mesure de la fréquence dans le Système international.".

Our edit-distance generator produced no likely misspellings for Hz, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "H", "ha", "He", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is Hz, spelled H-Z.

Definition

  1. 1
    Symbole du hertz, unité de mesure de la fréquence dans le Système international.

Recorded use

Wiktionary examples

These source excerpts show how Hz appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Au delà de 10⁷ Hz, la masse des électrons est elle-même trop importante pour que ceux-ci puissent suivre l’excitation, et le matériau a alors un comportement diélectrique semblable à celui du vide.
  2. On note une prédominance à l’emploi des réseaux alternatifs et à l’usage généralisé du triphasé 200 V/400 Hz.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Hz"?
"Hz" is spelled H-Z.
What does "Hz" mean?
As a symbol, "Hz" means: Symbole du hertz, unité de mesure de la fréquence dans le Système international.
What words are commonly confused with "Hz"?
"Hz" is commonly confused with "H", "ha", "He". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "Hz" come from?
"Hz" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list