reference vs composition

reference and composition both are nouns.

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

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

reference (verb)	composition (verb)
refer to