replay vs video

replay and video both are nouns.

Word	Noun	Adjective	Verb	Adverb
replay	Yes	No	Yes	No
video	Yes	No	No	No

replay (noun)	video (noun)
the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape	a recording of both the visual and audible components (especially one containing a recording of a movie or television program)
something (especially a game) that is played again	the visible part of a television transmission
	broadcasting visual images of stationary or moving objects
	(computer science) the appearance of text and graphics on a video display

replay (verb)	video (verb)
play again
repeat a game against the same opponent
play (a melody) again
reproduce (a recording) on a recorder