SimilarityRank
neutrons 0.903 44331
neutrino 0.885 70890
deuterium 0.862 86208
antimatter 0.856 64679
neutrinos 0.843 66418
photon 0.840 33504
electron 0.840 16811
supernovae 0.833 82066
supernova 0.831 46579
protons 0.827 41243
quasars 0.823 93060
fission 0.815 39321
photons 0.809 31946
particle 0.804 12203
gravitational 0.801 22967
superconducting 0.798 84490
isotope 0.795 45212
atoms 0.794 14412
electrons 0.790 17880
isotopes 0.790 45629
atomic 0.790 12781
helium 0.789 31291
thermonuclear 0.786 76089
positron 0.786 81180
ionization 0.777 60226