ARMADA is a playable word

armada Scrabble® Dictionary

noun
pl. armadas
a fleet of warships
20 Playable Words can be made from "ARMADA"
   2-Letter Words (6 found)
   3-Letter Words (7 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)