second language learning second language programs second language training second languages second lap second large second largest second largest airport second largest bank second largest city second largest consumer second largest contributor second largest country second largest economy second largest employer second largest ethnic group second largest export second largest exporter second largest group second largest in the world second largest island second largest market second largest number second largest oil second largest population second largest port second largest producer second largest religion second largest river second largest shareholder second largest source second largest town second largest trading partner second largest university second laser second last second late second lateral second latin second launch second law second law of motion second law of thermodynamics second lawsuit second layer second layers second lead second leader second leading second leading cause second leading cause of death second league second lease second least second lebanon second lecture second led second left second leg second legal second legion second length second lens second lesson second letter second letter of the word second level second lever second lieutenant second lieutenants second life second light second limb second limit second limitation second line second line of defence second line of defense second linear second lines second link second liquid second list second little second live second living second load second loan second local second location second lock second locking second logic second london second long second longest second longest river second longitudinal second look