PROVIRAL is a playable word

provirus Scrabble® Dictionary

noun
pl. proviruses
a form of virus
(adjective) proviral
83 Playable Words can be made from "PROVIRAL"
   2-Letter Words (12 found)
   3-Letter Words (28 found)
   5-Letter Words (12 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)