Synonyms of elemental

2 Syllables
biotic, plasmic, larval, tester, choate, bullish, simplex, grass-roots, grassroots, basic, rooter, puncher
3 Syllables
nuts-and-bolts, component, organic, underlying, systemic, primordial, constituent, indwelling, integral, amoebic, intrinsic, cellular, innate, hard-hitting, forceful
4 Syllables
foundational, fundamental, rudimental, substrative, primitive
5 Syllables
elementary, meat-and-potatoes, anatomical, exploratory, axiological, preliminary, rudimentary