15-Letter Words Containing: P,A,R,E,R

• a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer

• The use of pharmaceuticals to treat disease

• Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• radiography using X-rays and xerographic (rather than roentgenographic) techniques