Result of search for "4648":
1983. episkopeo ep-ee-skop-eh'-o from 1909 and 4648; to oversee; by implication, to beware:--look diligently, take the oversight.
3700. optanomai op-tan'-om-ahee, a (middle voice) prolonged form of the primary (middle voice) optomai op'-tom-ahee; which is used for it in certain tenses; and both as alternate of 3708 to gaze (i.e. with wide-open eyes, as at something remarkable; and thus differing from 991, which denotes simply voluntary observation; and from 1492, which expresses merely mechanical, passive or casual vision; while 2300, and still more emphatically its intensive 2334, signifies an earnest but more continued inspection; and 4648 a watching from a distance):--appear, look, see, shew self.
4648. skopeo skop-eh'-o from 4649; to take aim at (spy), i.e. (figuratively) regard:--consider, take heed, look at (on), mark. Compare 3700.