stratigraphy

noun 0.606

relative

noun 0.596

radiocarbon dating

noun 0.593

biostratigraphy

noun 0.579

carbon dating

noun 0.550

relative tense

noun 0.546

dating

noun 0.540

biochronology

noun 0.528

chronology

noun 0.516

geology

noun 0.513

dendrochronology

noun 0.512

relativity

noun 0.511

absolute time

noun 0.509

sedimentary rock

noun 0.503

paleontology

noun 0.502

relative pressure

noun 0.502