heavy stepping

TRAMPLE
WordClue
HUFFheavy breath
TANKheavy armored
MOTORdiesel or stepping
PLUMPThe sound of a sudden heavy fall
SHOCKSudden, heavy impact
WHACKThe sound of a heavy strike
BURDENheavy load
CANVASheavy-duty fabric
WALLOPheavy blow, punch
DOWNPOURheavy rain
WHITEOUTheavy snowstorm
BATTERINGheavy beating
CARDBOARDheavy-duty paper of various strengths
DEUTERIUMheavy hydrogen
WHITEOUTheavy snowstorm
WEEKhebdomad, sennight