12-Letter Words Containing: S,H,I,R,E,R

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• To establish a hierarchy.

• To arrange in a hierarchy.

• The soil region subject to the influence of plant roots and their associated microorganisms

• the fleshy part of the human body that you sit on

• the part of an animal that corresponds to the human buttocks

• forming an image by the action of light on a specially coated charged plate; the latent image is developed with powders that adhere only to electrically charged areas