If you're looking for a Hawaiian name that has a similar sound or meaning to Omar, you could consider:
* ʻŌmaka: This name means "to be strong, powerful, or firm."
* ʻŌmao: This name means "a type of small, brown bird" and could be associated with agility and freedom.
Ultimately, the best way to find a suitable Hawaiian equivalent for Omar is to consider the qualities you want to embody in the name and explore options that resonate with you.