NIAGARAS is a playable word

niagara Scrabble® Dictionary

noun
pl. niagaras
an outpouring or deluge
120 Playable Words can be made from "NIAGARAS"
   2-Letter Words (11 found)
   3-Letter Words (29 found)
   6-Letter Words (5 found)
   7-Letter Words (4 found)
   8-Letter Words (2 found)