SimilarityRank
neutron 0.856 35660
neutrons 0.854 44331
neutrino 0.847 70890
neutrinos 0.845 66418
deuterium 0.840 86208
subatomic 0.822 64342
photon 0.817 33504
interstellar 0.808 31391
protons 0.797 41243
fission 0.790 39321
photons 0.786 31946
atoms 0.784 14412
quarks 0.783 65913
gravitational 0.780 22967
asteroids 0.776 33535
wormholes 0.774 95091
electrons 0.769 17880
orbiting 0.769 32947
interplanetary 0.768 60971
quasars 0.767 93060
atom 0.766 16976
helium 0.763 31291
atomic 0.762 12781
thermonuclear 0.762 76089
aether 0.762 94853