This illustrates two things:
1) Hebrew words can be used by different biblical authors in various dialectical ways.
2) those different meanings must be determined by context.
With Hebrew, interpretation is all about context. From the shoresh (root) one can determine basic ideas of the meanings, but only through study of the context can the intention of the author be clarified.
For a full list of this word in the Tanakh, click here.
Remember to Have Fun with Hebrew!