heavy breath

HUFF
WordClue
GASPshort, sudden intake of breath
PANTbreath, respiration
SIGHbreath, whiff
TANKheavy armored
PLUMPThe sound of a sudden heavy fall
SHOCKSudden, heavy impact
WHACKThe sound of a heavy strike
BURDENheavy load
CANVASheavy-duty fabric
WALLOPheavy blow, punch
TRAMPLEheavy stepping
DOWNPOURheavy rain
INHALINGbreath, sigh
WHITEOUTheavy snowstorm
BATTERINGheavy beating
CARDBOARDheavy-duty paper of various strengths
DEUTERIUMheavy hydrogen
WALLOPheavy blow, punch
CANVASheavy-duty fabric