Fluoridation rhymes with:
degradation, depredation, predation, accommodation, consolidation, degradation, depredation, invalidation, oxidation, predation, sedation, validation
Fluoridation sounds like:
flirtation, floridian, fullerton
degradation, depredation, predation, accommodation, consolidation, degradation, depredation, invalidation, oxidation, predation, sedation, validation
flirtation, floridian, fullerton