SimilarityRank
Chlorine 0.800 54131
Oxygen 0.769 26251
Dioxide 0.766 69551
Sulfur 0.740 70589
ozone 0.736 18222
Ammonia 0.735 78473
Hydrogen 0.734 29099
Pollution 0.723 29306
Ultraviolet 0.717 62080
Radon 0.711 60232
Vapor 0.701 40797
Radiation 0.701 24967
Methane 0.701 69623
Gases 0.698 90904
Water 0.697 2787
Radioactive 0.695 64607
Nitrogen 0.692 45976
Purifier 0.691 87590
Monoxide 0.686 90956
Osmosis 0.684 88040
Oxidation 0.683 91986
Peroxide 0.681 71780
Formaldehyde 0.676 99913
Fluoride 0.675 54744
Algae 0.673 53993