Acology :: Acology (n.) Materia medica; the science of remedies.
Cacology :: Cacology (n.) Bad speaking; bad choice or use of words.
Malacology :: Malacology (n.) The science which relates to the structure and habits of mollusks.
Malacostracology :: Malacostracology (n.) That branch of zoological science which relates to the crustaceans; -- called also carcinology.
Pharmacology :: Pharmacology (n.) Knowledge of drugs or medicines; the art of preparing medicines.
Pharmacology :: Pharmacology (n.) A treatise on the art of preparing medicines.