The valley is pronounced as in "was", not with a hard "a": the name of the lake similarly but with a soft s as in thou wast.
Thou wast install'd in that high degree.
Frankly, such an outlay seems to us to be an indefensible wast of public money....
Thou, amidst the raging foes, wast our sheltering tower.
None of these ideas wast particularly radical in the currents of the 1840s.
During the winter months it attracts wast quantities of migratory birds and also supports local wildlife yearlong.
I will judge thee in the place thou wast created.
Additional archaic forms include "art", "wast", "wert", and occasionally "beest" (as a subjunctive).