NIGGLE is a playable word

niggle Scrabble® Dictionary

verb
niggled, niggling, niggles
to worry over petty details
29 Playable Words can be made from "NIGGLE"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)