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Pour commencer votre recherche, cliquez sur la première lettre du mot voulu dans l'alphabet ci-dessous.

back up, backup

The phrasal verb is spelled as two words, with no hyphen: back up.

  • Have you backed up your data today?

The noun and adjective are spelled as one word, with no hyphen: backup.

  • Habib has agreed to be my backup at tomorrow’s meeting.
  • My hard disk crashed and I had no backup disk.