What do we call these kind of words in English please : self-made, 13 days-mission, a rocket-building?

What do we call these kind of words in English please : self-made, 13 days-mission, a rocket-building?


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What Guys Said 1

  • I agree with RedRobin. I wonder why they have a hyphen.
    Probably just an example?

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What Girls Said 1

  • Hyphenated?

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