toad·stone 
(tōdstōn′)
(tōdstōn′)n.
A stone once worn as a charm and believed to have been formed in the body of a toad.
- earth-bound
- earthen
- earthenware
- earthily
- earthiness
- earthlight
- earthliness
- earthling
- earthly
- earth mother
- earthmover
- earthmoving
- earthnut
- earthquake
- earthquake engineer
- earthquake engineering
- earthrise
- earth science
- earthshaking
- earthshakingly
- earthshattering
- earth-sheltered
- earthshine
- earth smoke
- earthstar