TONICS is a playable word

tonic Scrabble® Dictionary

noun
pl. tonics
something that invigorates or refreshes
60 Playable Words can be made from "TONICS"
   2-Letter Words (11 found)
   3-Letter Words (21 found)
   4-Letter Words (18 found)
   5-Letter Words (8 found)
   6-Letter Words (2 found)