SimilarityRank
sulfur 0.919 22001
sulphuric 0.865 87525
sulfide 0.833 49224
sulphide 0.824 82356
ammonia 0.818 21773
hydrocarbons 0.815 32458
sulfuric 0.810 60609
sulphate 0.805 54192
Sulfur 0.797 70589
oxides 0.787 42880
nitrogen 0.783 12237
SO2 0.781 90224
dioxide 0.781 10273
methane 0.771 19799
sulfates 0.767 91637
hydrocarbon 0.767 36213
ammonium 0.763 48164
salts 0.761 18802
vapours 0.759 83502
gases 0.759 11662
carbonic 0.755 83563
alkali 0.752 55573
arsenic 0.752 26971
bromine 0.751 75999
benzene 0.750 46443