Pys, n. pease, pulse
Pysen, n. a single pea, a pea
Pysg, n. a fish
Pysgodfa, n. a fishery
Pysgodlyn, n. a fishpond
Pysgodwr, n. a fisherman
Pysgodyn, n. a single fish
Pysgol, a. piscatory, of fish
Pysgota, v. to fish, to angle
Pysgydd, n. an ichthyologist