Polyphagous :: Polyphagous (a.) Eating, or subsisting on, many kinds of food; as, polyphagous animals..
Polyphagy :: Polyphagy (n.) The practice or faculty of subsisting on many kinds of food.
Polypharmacy :: Polypharmacy (n.) The act or practice of prescribing too many medicines.
Polypharmacy :: Polypharmacy (n.) A prescription made up of many medicines or ingredients.