composition vs reference

composition and reference both are nouns.

Word	Noun	Adjective	Verb	Adverb
composition	Yes	No	No	No
reference	Yes	No	Yes	No

composition (noun)	reference (noun)
the act of creating written works	the act of referring or consulting
musical creation	the most direct or specific meaning of a word or expression; the class of objects that an expression refers to
something that is created by arranging several things to form a unified whole	the relation between a word or phrase and the object or idea it refers to
the way in which someone or something is composed	a formal recommendation by a former employer to a potential future employer describing the person's qualifications and dependability
the spatial property resulting from the arrangement of parts in relation to each other and to the whole	a remark that calls attention to something or someone
an essay (especially one written as an assignment)	a short note recognizing a source of information or of a quoted passage
a musical work that has been created	a book to which you can refer for authoritative facts
art and technique of printing with movable type	an indicator that orients you generally
a mixture of ingredients	a publication (or a passage from a publication) that is referred to
	(computer science) the code that identifies where a piece of information is stored

composition (verb)	reference (verb)
	refer to