How to spell OZAS correctly?

"Ozas" might be a misspelling of "oasis" or "Ozarks", both of which relate to natural settings. "Osas" could be another possibility, which is a name of Nigerian origin. It's always important to double-check spelling and context before jumping to conclusions.

• OAS The Organization of American States (OAS) is a regional organization that aims to promote democracy, human rights, and economic development in the Americas.
• ODAS
• OVAs I haven't watched any OVAs of that anime series yet.

Attenttion

• attention
• attentions
• attenuation
• inattention