Synonyms for Spud (same or very similar meaning)
WordNet sense 1 (an edible tuber native to South America; a staple food of Ireland):
potato, tater, murphy, Irish potato, white potatoWordNet sense 2 (a sharp hand shovel for digging out roots and weeds):
stump spudWordNet sense 3 (produce buds, branches, or germinate):
germinate, shoot, sprout, bourgeon, pullulate, burgeon forthFrom the ODE community, based on WordNetadd/edit