distributary

noun 0.642

tribute

noun 0.625

tribune

noun 0.599

subordinate

noun 0.571

river

noun 0.567

subsidiary

noun 0.561

feudatory

noun 0.560

subtribe

noun 0.553

headwater

noun 0.551

contributor

noun 0.549

tribunal

noun 0.542

rivulet

noun 0.538

tidal river

noun 0.530

estuary

noun 0.529

watercourse

noun 0.528

subbranch

noun 0.526

tribunate

noun 0.521

tribus

noun 0.520

aqueduct

noun 0.517

riverside

noun 0.513

tribe

noun 0.513

contribution

noun 0.513

tribal

noun 0.512

drainage basin

noun 0.503

influent

noun 0.501