ZOARIUM is a playable word

zoarium Scrabble® Dictionary

noun
pl. zoaria
a colony of bryozoans
(adjective) zoarial
50 Playable Words can be made from "ZOARIUM"
   2-Letter Words (12 found)
   3-Letter Words (23 found)
   4-Letter Words (9 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)