Related by context. Frequent words. (Click for all words.) 43 desiccation 43 algal blooms 42 coral bleaching 42 fungal infections 41 dieback 41 Bleaching 40 root rot 40 corals 40 acidification 39 reefs 39 algal bloom 38 algae blooms 38 oxidation 38 bleaching 38 coral 38 defoliation 36 eutrophication 36 oxygen depletion 36 algae bloom 36 sedimentation 34 ocean acidification 34 coral reefs 34 antibacterial 34 yeast infection 33 hyperpigmentation 33 ultraviolet radiation 33 UV radiation 33 oxidants 33 alkalinity 33 coral species 33 sulphate 32 tooth enamel 32 biodegradation 32 pigmentation 32 pigmented 32 ultraviolet light 32 cyclones 31 UV light 31 UV 31 ultra violet light 31 dehydrating 31 pH 31 Coral reefs 30 biocide 30 oxidizing 30 acidic 30 UV rays 30 moisturizing 30 La Nina 30 oxygenation 29 skin 29 discolouration 29 rinses 29 Whitening 29 dryness 29 Drying 29 abrasion 29 chlorine dioxide 29 bleaches 29 El Niño 29 alkali 29 acne treatments 28 ultraviolet rays 28 sunburn 28 volcanism 27 keratin 27 acne scars 27 discoloration 27 erosive 27 moisturisers 27 pigment 27 coral reef 27 antibacterial soap 26 UV exposure 26 Pigment 26 greenhouse warming 26 coating 26 ozone depletion 26 skin discoloration 26 chlorine bleach 26 exfoliation 26 tropical 26 mass extinction 26 ultraviolet 25 wrinkling 25 washings 25 underarms 25 viscose 25 photochemical 24 skin creams 24 organic solvents 24 Frances 24 colorants 24 exfoliating 24 UV curing 23 calcium carbonate 23 exfoliate 23 photosensitive 23 pigments 23 glaciation 22 rinse