SimilarityRank
radioactivity 0.826 14083
dioxin 0.781 17452
intermediate-level 0.779 62187
fallout 0.776 25718
plutonium 0.773 9684
contamination 0.772 7877
uranium 0.767 8868
caesium 0.766 37760
radionuclide 0.759 25560
methane 0.758 11786
toxic 0.754 5194
polonium 0.753 36755
tritium 0.752 26341
beryllium 0.751 52345
landfill 0.741 13169
contaminant 0.741 23773
radio-active 0.735 71832
irradiated 0.725 31355
strontium 0.720 49539
pollutant 0.720 10281
caesium-137 0.719 59747
pcb 0.718 16503
contaminate 0.716 9590
hexafluoride 0.713 78594
oxide 0.713 7892