13-Letter Words Containing: P,R,E,A,C,T

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

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

• The fused head and thorax of spiders and crustaceans

• a condition characterized by excessive restlessness and movement

• any four copies; any of four things that correspond to one another exactly

• having four units or components

• reproduce fourfold

• To change how a corporation is structured.

• in a provocative manner