RADIOS is a playable word

radio Scrabble® Dictionary

verb
radioed, radioing, radios or radioes
to transmit by radio (an apparatus for wireless communication)
81 Playable Words can be made from "RADIOS"
   2-Letter Words (14 found)
   3-Letter Words (27 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)