THESAURUS
trickle
a few, condensation, condense, distill, distillation, dribble, drip, dripping, drippings, dripple, drizzle, drop, exude, filter, flow, gurgle, handful, leach, leaching, leak, leak out, leakage, leaking, limited number, lixiviate, lixiviation, only a few, ooze, percolate, percolation, piddling few, piddling number, rivulet, run, runlet, runnel, scattering, seep, seepage, seeping, small number, spill, sprinkling, spurtle, sweat, sweating, too few, tricklet, trill, weep
ROGET THESAURUS
trickle
Egress
VB
emerge, emanate, issue, egress, go out of, come out of, move out of, pass out of, pour out of, flow out of, pass out of, evacuate, exude, transude, leak, run through, out through, percolate, transcolate, egurgitate, strain, distill, perspire, sweat, drain, ooze, filter, filtrate, dribble, gush, spout, flow out, well, well out, pour,
trickle, effuse, extravasate, disembogue, discharge itself, debouch, come forth, break forth, burst out, burst through, find vent, escape.
River
VB
flow, run, meander, gush, pour, spout, roll, jet, well, issue, drop, drip, dribble, plash, spirtle, trill,
trickle, distill, percolate, stream, overflow, inundate, deluge, flow over, splash, swash, guggle, murmur, babble, bubble, purl, gurgle, sputter, spurt, spray, regurgitate, ooze, flow out, rain hard, rain in torrents, rain cats and dogs, rain pitchforks, pour with rain, drizzle, spit, set in, mizzle, flow into, fall into, open into, drain into, discharge itself, disembogue, pour, pour out, shower down, irrigate, drench, spill, splash, stanch, dam, up, obstruct.