affluence
afflux
affluxion
blow out
concourse
confluence
conflux
course
crosscurrent
current
defluxion
discharge
downflow
downpour
drain
drain out
drainage
drift
driftage
ebb
effluence
efflux
effluxion
effusion
empty
exhalation
exhaust
find vent
flow
flow out
flowing
flowoff
fluency
flux
gush
gush out
inflow
jet
mill run
millrace
money going out
onrush
onward course
outfall
outflowing
outgo
outpouring
run
depreciation
disbursement
ebullition
inflows
influx
outlay
overflow