How to spell BRIGHTFUL correctly?

"Brightful" is a misspelling often used to describe something that is full of brightness. However, the correct word to use in this case is "bright". To convey the intended meaning, substituting "brightful" with "radiant", "luminous" or "glowing" would be more appropriate and accurate.

• frightful The storm was so frightful that I couldn't sleep all night.
• rightful The rightful owner of the land was able to reclaim it through a legal battle.

Attenttion

• attention
• attentions
• attenuation
• inattention