Simple categories matching waterborne:

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

Members with property waterborne:

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