How to spell MACOSA correctly?

If you meant to type "Macosa", but it's not an accurate spelling, here are some possible correct suggestions: Macau, a vibrant city in China known for its casinos; Macaws, colorful parrots native to South America; Mac OS, Apple's operating system for their computers. Double-check your intended context for the correct word.

• macOS macOS is the operating system designed exclusively for Mac computers.
• mucosa The mucosa lining in the digestive tract helps to protect the body from harmful bacteria.

Attenttion

• attention
• attentions
• attenuation
• inattention