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

• a crystalline amino acid obtained from gelatin or collagen

• 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

• an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones