Anlage, base, basement, basic, basis, bearing wall, bed, bedding, bedrock, blastula, bud, egg, element, elements, embryo, fetus, floor, flooring, fond, footing, foundation, fundament, fundamental, fundamentals, germ, germen, grammar, ground, grounds, groundwork, hardpan, larva, loins, nucleus, nymph, ovum, part and parcel, pavement, principle, principles, radical, riprap, rock bottom, seat, seed, sill, solid ground, solid rock, spermatozoon, stereobate, stylobate, substratum, terra firma, underbuilding, undercarriage, undergirding, underpinning, understruction, understructure, zygote