AMEBAN is a playable word

ameba Scrabble® Dictionary

noun
pl. amebas or amebae
amoeba
(adjective) ameban, amebic, ameboid
45 Playable Words can be made from "AMEBAN"
   2-Letter Words (13 found)
   3-Letter Words (16 found)
   4-Letter Words (12 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)