homeostat

noun 0.616

humidistat

noun 0.605

thermostat

noun 0.571

aerostat

noun 0.570

orthostat

noun 0.568

aqua

noun 0.560

waterer

noun 0.557

aquatic

noun 0.534

water gauge

noun 0.532

water level

noun 0.529

hydrostatic balance

noun 0.514

hydrostatics

noun 0.510

aquifer

noun 0.504