Kosmonaut

[kɔsmoˈnaʊ̯t]

/[kɔsmoˈnaʊ̯t]/ noun

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

The verdict

“Kosmonaut” is uncommon German (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency German
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Weltraumfahrer (aus Russland beziehungsweise aus der ehemaligen Sowjetunion und/oder dem ehemaligen Ostblock), der an einem (russischen beziehungsweise sowjetischen) Raumflug teilnimmt

Corpus desk

Index DE-kosmonaut · Kosmonaut · German

Kosmonaut · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" thin
  • PHOTO-UNK Peer pending

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.

Key facts for Kosmonaut
PropertyValue
HeadwordKosmonaut
LanguageGerman
Part of speechNoun
IPA[kɔsmoˈnaʊ̯t]
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Kosmonaut” sits in German frequency

Kosmonaut falls outside the top-100,000 ranked German words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Kosmonaut is uncommon German outside the top frequency list, classed as anoun, transcribed [kɔsmoˈnaʊ̯t]. Rarity is why readers land here mid-draft. Gloss: "Weltraumfahrer (aus Russland beziehungsweise aus der ehemaligen Sowjetunion und/oder dem ehemaligen Ostblock), der an einem (russischen beziehungsweise sowjetischen) Raumflug teilnimmt".

We couldn't generate a plausible misspelling set for Kosmonaut, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is Kosmonaut, spelled K-O-S-M-O-N-A-U-T.

Definition

  1. 1
    Weltraumfahrer (aus Russland beziehungsweise aus der ehemaligen Sowjetunion und/oder dem ehemaligen Ostblock), der an einem (russischen beziehungsweise sowjetischen) Raumflug teilnimmt

Recorded use

Wiktionary examples

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

  1. Im Jahr 1961 startete der erste Kosmonaut ins All.
  2. „Da kommt aber auch der 70. Jahrestag der Oktoberrevolution, und keiner weiß, ob vielleicht wieder ein Kosmonaut aus der DDR in den Weltraum fliegt …“

This word in other languages

cosmonaut(English)cosmonauta(Español)cosmonaute(Français)cosmonauta(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Kosmonaut"?
"Kosmonaut" is spelled K-O-S-M-O-N-A-U-T. The IPA pronunciation is [kɔsmoˈnaʊ̯t].
What does "Kosmonaut" mean?
As a noun, "Kosmonaut" means: Weltraumfahrer (aus Russland beziehungsweise aus der ehemaligen Sowjetunion und/oder dem ehemaligen Ostblock), der an einem (russischen beziehungsweise sowjetischen) Raumflug teilnimmt
How do you pronounce "Kosmonaut"?
The IPA (International Phonetic Alphabet) transcription for "Kosmonaut" is [kɔsmoˈnaʊ̯t]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Kosmonaut" come from?
"Kosmonaut" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

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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