Synonyms of substratum

1 Syllable
rest, bed, root, seat, layers, foot, stand, ground, layer
2 Syllables
support, bottom, basis, bedrock, radix, groundwork, seating, footing
3 Syllables
foundations, radicle, rhizome, fundament, radixes, stiffener, flotations, pedestal, radices, basement, flotation, foundation
4 Syllables
substructure, underpinning
5 Syllables
undersurface, infrastructure