hertz
/hɜːts/
"hertz" is a 5-letter English headword indexed on PlainSpell.
The verdict
“hertz” is a moderately-common English word, ranked #26,816 in English word frequency and used as a noun.
- #26,816
- frequency rank, English
- 5
- letters
- 8
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | hertz |
| Language | English |
| Part of speech | Noun |
| IPA | /hɜːts/ |
| Letters | 5 |
| Frequency rank | #26,816 |
| Misspellings tracked | 8 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “hertz” sits in English frequency
Spelling & Dictionary Insight
The English entry for hertz is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /hɜːts/. Corpus data places it at rank #26,816 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "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
- 1In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second.
Etymology
Named after German physicist Heinrich Rudolf Hertz (1857–1894).
This word in other languages
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.
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"?
What does "hertz" mean?
What words are commonly confused with "hertz"?
How do you pronounce "hertz"?
What is the origin of the word "hertz"?
Is PlainSpell free to use?
Using “hertz”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is H-E-R-T-Z - every other letter order is a misspelling in standard orthography.
- Say it as /hɜːts/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “het” - see the side-by-side comparison. hertz vs het
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.