Cosmonaut-Astronaut | Commonly Confused Words
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Master confusing words with ease

Cosmonaut vs. Astronaut

Cosmonaut

A person who travels in outer space, typically for the Soviet or Russian space programs

Examples:

The cosmonaut gazed at the distant stars in awe.A cosmonaut's suit is designed for extreme conditions.Training a cosmonaut requires rigorous mental preparation.

Synonyms:

Antonyms:

This word has no antonyms

Astronaut

/ˈæstrənɔːt/
A person who is trained to travel and work in space.

Examples:

The training for an astronaut is exceptionally rigorous.Becoming an astronaut requires years of dedication and study.The mission commander, a seasoned astronaut, led the team.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • Both words refer to space travelers, but cosmonaut is used in a different context than astronaut.
  • A cosmonaut is specifically associated with the Russian or Soviet space program.
  • An astronaut is associated with American and other worldwide space programs outside of Russia.
  • Remember cosmonaut as it relates to cosmos, a term often used in Russian to denote space.
  • Use astronaut when referring to space travelers from NASA or other non-Russian space agencies.
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