onrush (n.)

• advance
• affluence
• ascending
• ascent
• backflowing
• backing
• career
• climbing
• concourse
• confluence
• conflux
• course
• crosscurrent
• current
• descent
• downpour
• drift
• driftage
• ebbing
• flight
• flow
• flowing
• fluency
• flux
• gush
• inflow
• millrace
• mounting
• outflow
• passage
• progress
• race
• reflux
• regression
• retrogression
• rising
• run
• rush
• set
• sinking
• soaring
• spate
• stream
• subsiding
• surge
• tide
• trend
• undercurrent
• undertow