1) The original singular and plural of pea, peas.
c.1527 Item di Barell peson, Hull
1632 Received for one load of payson, 5s 10d, Sprotbrough,
1724 stole the same Pease to make Pease Pottage of, Spofforth. Pease, like corn, hay, etc was a singular: 1642 in this corner was allsoe a pease-stacke sette on the grownde, Elmswell.