13-Letter Words Containing: A,H,O,P,R,R,Y

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

• of or relating to cryptanalysis

• One who studies or writes down myths and legends

• decoder skilled in the analysis of codes and cryptograms

• the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation

• A study of the individuals in a group of people within a specific context and their relationships

• Any therapy based on the circadian rhythm or other cyclical schedule.