petrifaction

noun 0.911

fossilisation

noun 0.692

lithification

noun 0.596

ossification

noun 0.589

fossil

noun 0.561

mineralization

noun 0.559

silicification

noun 0.555

petra

noun 0.554

pyritization

noun 0.552

cementation

noun 0.549

petrology

noun 0.547

putrefaction

noun 0.546

reification

noun 0.545

fixation

noun 0.543

concretion

noun 0.540

mummification

noun 0.538

palaeontology

noun 0.535

stupefaction

noun 0.530

solidification

noun 0.529

petrography

noun 0.529

metamorphism

noun 0.525

paleontology

noun 0.524

karstification

noun 0.521

rigidification

noun 0.521

stultification

noun 0.518

vitrification

noun 0.517

mortification

noun 0.514

stoniness

noun 0.511

petrochemistry

noun 0.511

desiccation

noun 0.501

taphonomy

noun 0.501