repetition vs sequence

repetition and sequence both are nouns.

Word	Noun	Adjective	Verb	Adverb
repetition	Yes	No	No	No
sequence	Yes	No	Yes	No

As nouns, sequence is a hyponym of repetition; that is, sequence is a word with a more specific, narrower meaning than repetition:

Other hyponyms of repetition include cycle, rematch, replay, recurrence, return.

repetition (noun)	sequence (noun)
the act of doing or performing again	the action of following in order
the repeated use of the same word or word pattern as a rhetorical device	film consisting of a succession of related shots that develop a given subject in a movie
an event that repeats	a following of one thing after another in time
	several repetitions of a melodic phrase in different keys
	serial arrangement in which things follow in logical order or a recurrent pattern

repetition (verb)	sequence (verb)
	arrange in a sequence
	determine the order of constituents in