deuterium

noun 0.782

deuteride

noun 0.752

proton

noun 0.589

neutron

noun 0.573

deuterostome

noun 0.569

deuterated water

noun 0.566

nucleon

noun 0.566

antiproton

noun 0.565

heavy hydrogen

noun 0.560

deuce

noun 0.555

hadron

noun 0.552

deutonymph

noun 0.550

positron

noun 0.545

diether

noun 0.531

protium

noun 0.531

tritium

noun 0.528

neutrino

noun 0.527

positronium

noun 0.525

antielectron

noun 0.523

antibaryon

noun 0.521

debye

noun 0.520

electron neutrino

noun 0.516

deprotonation

noun 0.515

muon neutrino

noun 0.515

elementary particle

noun 0.515

beta decay

noun 0.514

lepton

noun 0.513

down quark

noun 0.508

dilaton

noun 0.508

baryon

noun 0.508

doublet

noun 0.508

dihydrogen

noun 0.504

diene

noun 0.502

deacon

noun 0.501