Nubs, noun plural of nub. Synonyms in the same form.
Core
cores, piths, hearts, gists, substances, essences, cruxes, meats, kernels, marrows, stuffs, centers, sums, souls, spirits, quintessences, gravamens, inwardnesses
Other
protuberances, knobs, stubs, nubbins, nubbles, nubcakes
All synonyms for nub →