structure vs public works

Other hyponyms of structure include airdock, hangar, repair shed, altar, arcade, colonnade, arch, area, balcony, balcony, bascule, boarding, body, bridge, span, building, edifice, building complex, complex, catchment, coil, helix, spiral, volute, whorl, colonnade, column, pillar, corner, quoin, cross, deathtrap, defence, defense, defensive structure, door, entablature, erection, establishment, false bottom, floor, level, storey, story, fountain, guide, card-house, cardcastle, cardhouse, house of cards, housing, living accommodations, lodging, hull, jungle gym, lamination, landing, landing place, lookout, lookout station, observation tower, observatory, masonry, memorial, monument, hill, mound, impediment, impedimenta, obstructer, obstruction, obstructor, divider, partition, platform, weapons platform, porch, post and lintel, prefab, projection, sail, offset, set-back, setoff, shelter, shoebox, sign, signboard, arena, bowl, sports stadium, stadium, superstructure, supporting structure, tower, transept, trestlework, vaulting, shipway, slipway, ways, wellhead, wind tunnel, honeycomb, balance, counterbalance, equilibrium, equipoise.