Simple categories matching waterborne:

• disease,
• illness,
• virus,
• particle,
• metal,
• biohazard,
• microbe,
• material,
• organism,
• solid,
• chemical,
• microorganism,
• component,
• pathogen,
• salt,
• agent,
• halide,
• preservative,
• system,
• contaminant,
• parasite,
• waste,
• bacteria,

Members with property waterborne:

• roundworm,
• chloride,
• cholera,
• typhoid,
• hepatitis_virus,
• log,
• diarrheal_disease,
• bacteria,
• barnacle,
• pollutant,
• dysentery,
• sulfate,
• paper_product,
• hepatitis,
• zinc_chloride,
• algae,
• tuberculosis,
• enterovirus,
• legionella,
• coxsackievirus,
• trachoma,
• copper,
• chromium,
• giardia,
• pathogenic_bacteria,
• gastroenteritis,
• guinea-worm_disease,
• wood,
• filariasis,
• diphtheria,
• nitrate,
• herbicide,
• virus,
• preservative,
• mycobacterium,
• bacterium,
• lipid,
• dirt,
• hookworm,
• plastic,
• amoebic_dysentery,
• enteric_bacteria,
• waterborne_algae,
• shigella,
• leptospirosis,
• smallpox,
• parasitic_disease,
• arsenic_salt,
• legionella_legionella,
• intestinal_infection,
• viral_agent,
• silt,
• soap,
• aluminium,
• detergent,
• paint,
• fecal_streptococcus,
• shigellosis,
• sulphate,
• corrosion_product,
• lymphatic_filariasis,
• bacterial_gastroenteritis,
• fluoride,
• lead,
• chemical,
• giardiasis,
• alkaline_copper,
• escherichia,
• tetanus,
• yeast,
• pneumonia,
• paratyphoid,
• vibrio,
• zinc,
• daphnia,
• pesticide,
• volatile_gas,
• phospholipid,
• salmonellosis,
• dengue,
• small_pox,
• enteric_virus,
• poliomyelitis,
• ai_virus,
• shrimp,
• human_pathogen,
• grease,
• parasite,
• bilharzia,
• infectious_hepatitis,
• polio,
• viral_gastroenteritis,
• rotavirus,
• diarrhoeal_disease,
• measles,
• malaria,
• amoeba,
• respiratory_disease,
• protozoa,
• meningitis,
• arsenic,
• cripple_young,
• viral_hepatitis,
• echovirus,
• fungi,
• perchlorate,
• salmonella,
• bacillary_dysentery,