RUBIER is a playable word

ruby Scrabble® Dictionary

adjective
rubier, rubiest
of a deep-red color
verb
rubied, rubying, rubies
to tint with the color of a ruby (a deep-red precious stone)
23 Playable Words can be made from "RUBIER"
   2-Letter Words (4 found)
   3-Letter Words (10 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)