How to spell RONCHO correctly?

If you meant "ranch", you might want to try that. Alternatively, you might have meant "ronco", which is a brand of kitchen gadgets or "ronincho", which doesn't appear to be a real word but could be a misspelling of "rancho."

• Honcho The new honcho at the firm brought in several changes to increase productivity.
• Poncho My friend always wears a colorful poncho when it's chilly outside.
• Rancho My friend is having her wedding reception at a beautiful Rancho in the countryside.

Attenttion

• attention
• attentions
• attenuation
• inattention