Synonyms for Lump (same or very similar meaning)
WordNet sense 1 (abnormal protuberance or localized enlargement):
puffiness, swellingWordNet sense 2 (an awkward stupid person):
clod, gawk, goon, lout, lubber, lummox, oaf, stumblebumWordNet sense 3 (a compact mass):
ball, chunk, clump, globWordNet sense 4 (group or chunk together in a certain order or place side by side):
collocateFrom the ODE community, based on WordNetadd/edit