SimilarityRank
protons 0.933 41243
atoms 0.904 14412
neutron 0.903 35660
electrons 0.891 17880
deuterium 0.876 86208
neutrinos 0.868 66418
photons 0.863 31946
antimatter 0.854 64679
quarks 0.844 65913
neutrino 0.841 70890
isotopes 0.829 45629
nuclei 0.826 34182
electron 0.825 16811
photon 0.822 33504
fission 0.814 39321
particles 0.804 7018
molecules 0.802 9399
subatomic 0.802 64342
particle 0.795 12203
atom 0.795 16976
quasars 0.791 93060
ions 0.783 19599
helium 0.777 31291
isotope 0.776 45212
gravitational 0.772 22967