Espy
Part of speech: verb
Definition: To catch sight of; to perceive with the eyes; to discover, as a distant object partly concealed, or not obvious to notice; to see at a glance; to discern unexpectedly; to spy; as, to espy land; to espy a man in a crowd. To inspect narrowly; to examine and keep watch upon; to watch; to observe. To look or search narrowly; to look about; to watch; to take notice; to spy.
Spy
Part of speech: noun
Definition: A person who secretly watches and examines the actions of other individuals or organizations and gathers information on them (usually to gain an advantage)
Part of speech: verb
Definition: To act as a spy.To spot at a distance.
Example sentence: The more real I got on 'The Bourne Identity,' the more interesting it got. So 'Fair Game' was the chance to go a few more steps in that direction. In fact, I discovered this whole other world that I had ignored in the 'Bourne' franchise, which is the domestic life of a spy, and how you make the two halves of your life coexist.