Synonyms of substructure

1 Syllable
bed, base, plinth, foot, stand
2 Syllables
support, platform, bottom, build-up, schoolwork, basis, footing, podium, mounting
3 Syllables
substratum, foundations, rudiment, stiffener, flotations, pedestal, basement, flotation, foundation
4 Syllables
preparation, fuselage, incubation, preparations
5 Syllables
undersurface, understructure