How to spell IMBOUNDS correctly?

If you meant to say "imbounds" but it is not a recognized word, there could be two correct suggestions. Firstly, if you intended to say "inbounds", meaning within the boundaries or limits, that would be appropriate. Secondly, if you meant "im bounds", separated words indicating you are bounding or leaping, that would be another possibility.

• impounds The police officer impounds the car after discovering that it was used in a crime.
• inbounds The basketball player caught the pass and quickly stepped inbounds to avoid a turnover.

Excatally

• exact
• exacted
• exactingly
• exactly
• exacts
• executable
• exotically
• extol
• inexactly
• oxtail