12-Letter Words Containing: NCH_

• 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

• impossible to quench

• parenchyma whose cells contain chloroplasts

• a member of the House of Commons who is not a party leader

• a standard by which something can be measured or judged

• a surveyor's mark on a permanent object of predetermined position and elevation used as a reference point