Synonyms of basal

2 Syllables
smallest, biotic, plasmic, bottom, larval, primer, bottoms, littlest, lowest, simplex, grass-roots, grassroots, basic, rooter, easy, primers
3 Syllables
nuts-and-bolts, organic, lowermost, underlying, beginning, nethermost, initial, undermost, cardinal, minimal, radicals, amoebic, cellular, radical
4 Syllables
foundational, fundamental, rudimental, substrative, necessary
5 Syllables
elementary, meat-and-potatoes, anatomical, pre-requisite, axiological, rudimentary, indispensable