The electron is in its groundstate.

The two football clubs agreed to a groundshare arrangement.

The two soccer teams decided to groundshare to save costs.

The groundstaff at the school work hard to keep the campus looking beautiful.

Archaeologists discovered a groundstone at the neolithic site.

The arrowleaf groundsel is a beautiful yellow flower.

She has a powerful groundstroking technique.

The groundspeeds of the airplanes varied depending on the wind conditions.

The groundspeed of the airplane was measured at 500 miles per hour.

Archaeologists discovered several groundstones at the excavation site.