12-Letter Words Containing: R,O,Y,N,I,S,H,_

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

• operating in unison

• 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

• An endopeptidase enzyme that cleaves peptides at the carboxyl side of tyrosine, tryptophan, and phenylalanine amino acids.

• (music) brilliance of display (as in the performance of music)

• the craft of making fireworks

• any organic compound in which the cyano radical -CN and the hydroxyl radical -OH are attached to the same carbon atom