How to spell RACKUP correctly?

If you stumble upon the misspelling "rackup", chances are you meant to type "backup" instead. It's a common error, given the Q and B keys' proximity on the keyboard. Simply replace the misspelled word with the correct one and your sentence will accurately convey the intended meaning.

• backup I always make sure to regularly create a backup of all my important files.
• crackup After performing a hilarious stand-up routine, the comedian's crackup had the audience doubled over with laughter.
• rack up He managed to rack up a high score in the video game competition.

Attenttion

• attention
• attentions
• attenuation
• inattention