HARBOR is a playable word

harbor Scrabble® Dictionary

verb
harbored, harboring, harbors
to shelter
35 Playable Words can be made from "HARBOR"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   4-Letter Words (6 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)