sequence vs sequencer

sequence and sequencer both are nouns.

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

sequence (noun)	sequencer (noun)
the action of following in order	computer hardware that sorts data or programs into a predetermined sequence
film consisting of a succession of related shots that develop a given subject in a movie	(chemistry) an apparatus that can determine the sequence of monomers in a polymer
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

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