Synonyms and related words :
I, ace, air, an existence, atom, atomic particles, being, body, brute matter, building block, chemical element, component, constituent, creature, critter, earth, electron, element, elementary particle, elementary unit, entelechy, entity, fire, fundamental particle, hyle, hypostasis, individual, ion, life, material, material world, materiality, matter, meson, molecule, natural world, nature, no other, none else, nothing else, nought beside, nuclear particle, object, one, one and only, organism, person, persona, personality, physical world, plenum, proton, quark, something, soul, stuff, substance, substratum, the four elements, thing, unit, unit of being, water