ECHIDNAE is a playable word

echidna Scrabble® Dictionary

noun
pl. echidnas or echidnae
a spiny anteater
123 Playable Words can be made from "ECHIDNAE"
   2-Letter Words (17 found)
   3-Letter Words (31 found)
   6-Letter Words (10 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)