Yep, it's a lack of ideas...

The distinction is that they are titles awarded by different space agencies. They both mean essentially the same thing and they both come from Greek. Cosmonaut is used by the Russian Space Agency. Astronaut is used by NASA, ESA, CSA, and JAXA. (that's the abbreviations for space authorities.

it is notnaut not knotnaut and so is no knotnaut no or yes

You sir should burn in hell. That is to many nautnauts.

lmao