kernel Synonyms

core marrow centre center substance essence heart gist pith inwardness crux essentials heart and soul pip meat seed nitty-gritty grain quintessence embryo nucleus nut nub bitter almond cornerstone fundamentals pit pivot sum bedrock point subject-matter polestar stone soul root umbilicus keynote quiddity utricle virtuality pome basics nerve center seed coat main point cores kernels essential part heart of the matter