Ground

macinato

(crushed or reduced to small particles)

base

(basis, foundation, groundwork)

campo

(football stadium)

dintorni

(background, context, framework, surroundings)

fondamenta

(basis, foundation, groundwork)

fondo

(bottom of a body of water)

massa

(electrical conductor connected to point of zero potential)

suolo

(surface of the Earth)

superficie

(surface of the Earth)

terra

(soil, earth)

terra

(electrical conductor connected to point of zero potential)