Iachawdwr, n. a saviour
Iachawdwriaeth, n. salvation
Iachus, a. healthy; wholesome
Iachuso, v. to render wholesome
Iachusol, of a healthy condition
Iachusrwydd, n. healthiness
Iâd, n. side of the head, pate
Iaedd, n. icy state, iciness
Iaen, n. a sheet of ice
Iain, a. icy, or very cold