Zarathustra

name

"zarathustra" is a 11-letter English headword indexed on PlainSpell.

The verdict

“Zarathustra” is uncommon English (frequency #66,422 among 2,810 “Z” headwords), classed as a proper noun. The kind of spelling people second-guess.

#66,422
frequency rank, English
2,810
“Z” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of Zoroaster.

Key facts for Zarathustra
PropertyValue
HeadwordZarathustra
LanguageEnglish
Part of speechProper noun
Letters11
Frequency rank#66,422
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Zarathustra” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Zarathustra lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Zarathustra is uncommon English at frequency #66,422 among 2,810 “Z” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Synonym of Zoroaster.".

No generated misspelling entries exist for Zarathustra in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From German Zarathustra, from Avestan 𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬀 (zaraθuštra). Doublet of Zoroaster. The correct English form is Zarathustra, spelled Z-A-R-A-T-H-U-S-T-R-A.

Definition

  1. 1
    Synonym of Zoroaster.

Etymology

From German Zarathustra, from Avestan 𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬀 (zaraθuštra). Doublet of Zoroaster.

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 "Zarathustra"?
"Zarathustra" is spelled Z-A-R-A-T-H-U-S-T-R-A.
What does "Zarathustra" mean?
As a proper noun, "Zarathustra" means: Synonym of Zoroaster.
What is the origin of the word "Zarathustra"?
From German Zarathustra, from Avestan 𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬀 (zaraθuštra). Doublet of Zoroaster. 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.

Using “Zarathustra”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is Z-A-R-A-T-H-U-S-T-R-A - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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.

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

Source: FrequencyWords open word-frequency list