surge

WAVE
INRUSH
WordClue
EBBThe receding movement of the tide
WAGwave, stroke
FLOWtide
SWAYwave, movement
SURGEinrush
SWEEPsway, wave
SURFINGsport that consists of riding a wave
TSUNAMItidal wave
STREETsurfboard - water, skateboard - ?
OPERATIONsurgery