archaeon

noun 0.786

archaebacterium

noun 0.702

archaeol

noun 0.692

arche

noun 0.674

archaic

noun 0.662

arch

noun 0.604

archaeology

noun 0.598

archy

noun 0.594

archaeologist

noun 0.578

ancient

noun 0.577

archaism

noun 0.574

arc

noun 0.569

arching

noun 0.565

archon

noun 0.559

archaeobotany

noun 0.559

archaeozoology

noun 0.557

forearc

noun 0.553

ark

noun 0.547

prehistoric age

noun 0.541

exarch

noun 0.540

archaeometry

noun 0.538

arachnoid

noun 0.531

archiver

noun 0.526

araucaria

noun 0.525

arkose

noun 0.525

archdemon

noun 0.520

arctiid

noun 0.516

archegonium

noun 0.516

aragonite

noun 0.513

ara

noun 0.512

prehistory

noun 0.507

archenteron

noun 0.507

craton

noun 0.503