12-Letter Words Containing: N,N,E

• print produced by an engraving that has been scraped to represent light or shade

• a period of five years

• operating in unison

• Cholecystokinin

• A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis of uric acid.

• A fifth anniversary.

• A five-year period.

• That happens every five years.

• That lasts for five years.

• 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)

• not mechanized

• 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