‘Earth to earth’

ossify (ˈɒsɪˌfaɪ )

1. to convert or be converted into bone
2. (of habits, attitudes, etc) to become inflexible

calcify (ˈkælsɪˌfaɪ )

1. to convert or be converted into lime
2. to harden or become hardened by impregnation with calcium salts

petrify (ˈpɛtrɪˌfaɪ )

1. to convert or be converted into a fossilized form by impregnation with dissolved minerals so that the original appearance is preserved
2. to make or become dull, unresponsive, insensitive; deaden
3. to stun or daze with horror, fear

terrify (ˈtɛrɪˌfaɪ )

to inspire fear or dread in; frighten greatly