RADARS is a playable word

radar Scrabble® Dictionary

noun
pl. radars
an electronic locating device
18 Playable Words can be made from "RADARS"
   2-Letter Words (5 found)
   3-Letter Words (7 found)
   4-Letter Words (2 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)