Same word as lifeblood:
aspect, attribute, backbone, base, basis, be-all and end-all, being, bottom, bottom line, burden, caliber, character, chief constituent, constitution, core, crux, element, entity, essentia, essentiality, fiber, form, fundamentals, germ, grain, kernel, life, lifeblood, mai
aspect, attribute, backbone, base, basis, be-all and end-all, being, bottom, bottom line, burden, caliber, character, chief constituent, constitution, core, crux, element, entity, essentia, essentiality, fiber, form, fundamentals, germ, grain, kernel, life, lifeblood, mai