12-Letter Words Containing: P,O,S,E,R,S

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

• convert to another faith or religion

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• the position of viceroy

• 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)

• A keeper of stock or cattle; a herdsman.

• the watery layer of the earth's surface; includes water vapor