Synonyms to troughing

adit, access, admission, admittance, air lock, approach, channel, conduit, corridor, course, ditch, duct, egress, entrance, entranceway, entree, entry, entryway, exit, gangplank, gangway, hall, in, ingress, inlet, intake, means of access, opening, passage, passageway, trench, trough, troughway, tunnel, vestibule, way, way in, abandonment, avenue, blowhole, bow out, chute, cleaning out, clearance, clearing, debouch, decampment, defecation, depart, departure, depletion, discharging cargo, door, drainage, draining, egression, elimination, emergence, emerging, emptying, emunctory, escape, estuary, evacuation, excretion, exhaust, exhausting, exhaustion, exodus, flight, floodgate, flume, get out, getaway, go out, going, hegira, leaving, loophole, make an exit, march out, off-loading, out, outcome, outfall, outgate, outgo, outlet, parting, pass out, passing, pore, port, removal, retirement, retreat, run out, sally port, sluice, spiracle, spout, tap, unloading, vent, ventage,