VIVARIUMS is a playable word

vivarium Scrabble® Dictionary

noun
pl. vivariums or vivaria
a place for raising and keeping live animals
90 Playable Words can be made from "VIVARIUMS"
   2-Letter Words (11 found)
   5-Letter Words (12 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)