SimilarityRank
warming 0.731 6577
cfc 0.705 9251
frost-free 0.688 51431
dioxide 0.688 4762
chlorofluorocarbon 0.668 24061
nitrogen 0.660 6386
ozone 0.655 5037
carbon 0.652 3195
nox 0.648 28969
co2 0.647 18793
fossil-fuel 0.640 76055
refrigerant 0.639 52632
propagator 0.635 40629
spring-flowering 0.634 84021
bulb 0.630 5922
ammonia 0.629 10958
photosynthesis 0.627 18251
ozone-benign 0.625 99646
desulphurisation 0.624 48583
overgrazing 0.622 43790
hcfc 0.621 89263
halon 0.620 27495
sulphur 0.620 6647
antirrhinum 0.619 79406
ericaceous 0.618 94824