How to spell WINDWRAD correctly?

If you meant "windward", then you're on the right track! It refers to the direction from which the wind is blowing. However, if you intended a different word, it's possible you meant "windrad", which translates to "wind wheel" in German, commonly used for wind turbines.

• windward The yacht sailed gracefully on the windward side of the island, catching the steady breeze and speeding through the waves.
• Windward The yacht navigated gracefully along the windward side of the island, experiencing the full force of the sea breeze.

Attenttion

• attention
• attentions
• attenuation
• inattention