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

• a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness

• operating in unison

• To calm (a person or animal) or put them to sleep using a drug.

• To make (something or someone) tranquil.

• To become tranquil.

• 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)

• make synchronous and adjust in time or manner

• happen at the same time

• make (motion picture sound) exactly simultaneous with the action

• arrange or represent events so that they co-occur

• operate simultaneously

• cause to indicate the same time or rate

• make symmetric