hertz

/hɜːts/

//hɜːts// noun

By · According to Wiktionary data (CC BY-SA) ·

"hertz" is a 5-letter English headword indexed on PlainSpell.

The verdict

“hertz” has 8 generated spelling variants in the English index at frequency #26,816. The variants make it a useful spelling check.

#26,816
frequency rank, English
2,646
“H” headwords
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.

Corpus desk

Index EN-hertz · hertz · English

hertz · rank #26,816 · 8 variants · 20 confusables

  • FREQ-MID #26,816
  • LEN-MID 5 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 8 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH hepatic

Nearest frequency peer: hepatic (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Rank peers near misspelling magnet “hertz”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “hertz” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

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).

hertz vs het
60% similar
hertz vs HRT
0% similar
hertz vs hurt
60% similar

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

Key facts for hertz
PropertyValue
Headwordhertz
LanguageEnglish
Part of speechNoun
IPA/hɜːts/
Letters5
Frequency rank#26,816
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “hertz”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).hertzlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “hepatic” (#26,815), “Hoboken” (#26,818), “homegrown” (#26,819). Among 2,646 “H” headwords, “hertz” is #26,816. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around hertz (IPA /hɜːts/), anoun. Corpus frequency is #26,816 among 2,646 “H” headwords. Dominant gloss: "In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.".

Our generated misspelling index lists 8 likely wrong-spelling variants for hertz, with forms such as "ehrtz", "herrtz", and "herttz". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "het", "HRT", "hurt", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Named after German physicist Heinrich Rudolf Hertz (1857–1894). The correct English form is hertz, spelled H-E-R-T-Z.

Definition

  1. 1
    In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.

Recorded use

Wiktionary example

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

  1. Each turbogenerator consisted of a steam turbine, powered by 900 psi of superheated steam, that was coupled by a set of reduction gears to a General Electric marine alternating-current generator operating at 1,800 rpm. Each generator had a capacity of 2,000 kilowatts of three-phase power at 450 volts and 60 hertz. The main 450-volt switchboard was energiz…

Etymology

Named after German physicist Heinrich Rudolf Hertz (1857–1894).

This word in other languages

hercio(Español)hertz(Français)Hertz(Deutsch)

Common misspellings

Also misspelled as:

  • ehrtz
  • herrtz
  • herttz
  • hertzz
  • herzt
  • hetrz
  • hhertz
  • hretz

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of hertz - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ehrtz2herrtz1herttz1hertzz1herzt2hetrz2hhertz1hretz2
Edit distance from "hertz"

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "hertz"?
"hertz" is spelled H-E-R-T-Z. The IPA pronunciation is /hɜːts/.
What does "hertz" mean?
As a noun, "hertz" means: In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.
What words are commonly confused with "hertz"?
"hertz" is commonly confused with "het", "HRT", "hurt". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "hertz"?
The IPA (International Phonetic Alphabet) transcription for "hertz" is /hɜːts/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "hertz"?
Named after German physicist Heinrich Rudolf Hertz (1857–1894). See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "hertz", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Hwang#26,828gills#26,803Idris#26,830Janis#26,848

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

Hearst8 variantsHailey8 variantsimpala8 variantsFinley8 variants

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

Source: FrequencyWords open word-frequency list