ECTOZOA is a playable word

ectozoon Scrabble® Dictionary

noun
pl. ectozoa
a parasite on the body of an animal
43 Playable Words can be made from "ECTOZOA"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   4-Letter Words (11 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)