kernel Synonyms

substance heart and soul nitty-gritty nub core pith marrow meat centre center inwardness essence heart gist stone soul pome seed root quiddity quintessence polestar pivot nubbin nuclear nucleolus nucleus nut ovule perisperm pip pit point subject-matter sum bottom line linux macadamia nut goober pea nuts and bolts essentials peanut butter seed coat cores kernels hearts midpoint knobble umbilicus utricle