Hōkū means "star," and is often used in names such as Hōkūleʻa, the star of gladness, or Nā Hōkū, the local recording industry awards program. Be sure to include the stresses, for it takes on a different meaning if you do not.
Although kōlea has many meanings, the most common perhaps is as the Hawaiian name of the Pacific Golden Plover - a bird that arrives in Hawaiʻi in August or September, and returns to the Arctic in April or May.