DWAAL
DWAALS
DWALE
DWALES
DWALM
DWALMED
DWALMING
DWALMS
DWAM
DWAMMED
DWAMMING
DWAMS
DWANG
DWANGS
DWARF
DWARFED
DWARFER
DWARFEST
DWARFING
DWARFISH
DWARFISHLY
DWARFISHNESS
DWARFISHNESSES
DWARFISM
DWARFISMS
DWARFLIKE
DWARFNESS
DWARFNESSES
DWARFS
DWARVES
DWAUM
DWAUMED
DWAUMING
DWAUMS

34 words start with DWA.