SimilarityRank
neutron 0.815 35660
neutrons 0.814 44331
thermonuclear 0.804 76089
deuterium 0.801 86208
antimatter 0.790 64679
thorium 0.789 70297
plutonium 0.784 35604
isotopes 0.766 45629
atomic 0.758 12781
neutrino 0.755 70890
radioactivity 0.748 42842
fissile 0.746 84273
isotope 0.732 45212
reactor 0.725 16143
protons 0.722 41243
atoms 0.717 14412
radioactive 0.716 15026
nuclear 0.716 2735
hydrogen 0.713 9917
ionization 0.711 60226
neutrinos 0.710 66418
gaseous 0.710 42339
electron 0.695 16811
helium 0.694 31291
nuclei 0.694 34182