Kosmonaut

[kɔsmoˈnaʊ̯t]

/[kɔsmoˈnaʊ̯t]/ noun

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

The verdict

“Kosmonaut” is outside the top-ranked German vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency German
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Weltraumfahrer (aus Russland beziehungsweise aus der ehemaligen Sowjetunion und/oder dem ehemaligen Ostblock), der an einem (russischen beziehungsweise sowjetischen) Raumflug teilnimmt

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.

Spelling & Dictionary Insight

The German entry for Kosmonaut is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [kɔsmoˈnaʊ̯t]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "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

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.

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.

Using “Kosmonaut”

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

  • The one correct German spelling is K-O-S-M-O-N-A-U-T - every other letter order is a misspelling in standard orthography.
  • Say it as [kɔsmoˈnaʊ̯t] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more German words and confusable pairs in the same reference. German 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list