FLICKER is a playable word

flicker Scrabble® Dictionary

verb
flickered, flickering, flickers
to move waveringly
73 Playable Words can be made from "FLICKER"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   5-Letter Words (11 found)
   6-Letter Words (2 found)
   7-Letter Words (2 found)