CRUCIAL is a playable word

crucial Scrabble® Dictionary

adjective
of supreme importance
37 Playable Words can be made from "CRUCIAL"
   2-Letter Words (5 found)
   3-Letter Words (10 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)