Open English Wordnet
Nouns
(n)Earth, earth, world, globethe 3rd planet from the sun; the planet we live on“the Earth moves around the sun”,
“he sailed around the world” (n)earth, groundthe loose soft material that makes up a large part of the land surface“they dug into the earth outside the church” (n)land, dry land, earth, ground, solid ground, terra firmathe solid part of the earth's surface“the plane turned away from the sea and moved back over land”,
“the earth shook for several minutes”,
“he dropped the logs on the ground” (n)earth, Earththe abode of mortals (as contrasted with Heaven or Hell)“it was hell on earth” (n)earthonce thought to be one of four elements composing the universe (Empedocles), associated with the humour black bile (n)ground, eartha connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) Verbs
(v)earthhide in the earth like a hunted animal (v)earthconnect to the earth“earth the circuit” 