MACADAM is a playable word

macadam Scrabble® Dictionary

noun
pl. macadams
a type of pavement
16 Playable Words can be made from "MACADAM"
   2-Letter Words (6 found)
   3-Letter Words (7 found)
   4-Letter Words (1 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)