sheet vs paper

sheet and paper both are nouns.

Word	Noun	Adjective	Verb	Adverb
sheet	Yes	No	Yes	No
paper	Yes	No	Yes	No

As nouns, paper is a hypernym of sheet; that is, paper is a word with a broader meaning than sheet:

sheet: paper used for writing or printing
paper: a material made of cellulose pulp derived mainly from wood or rags or certain grasses

As nouns, paper is a hypernym of sheet; that is, paper is a word with a broader meaning than sheet:

sheet: newspaper with half-size pages
paper: a daily or weekly publication on folded sheets; contains news and articles and advertisements

Other hypernyms of sheet include newspaper.

sheet (noun)	paper (noun)
bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs	the physical object that is the product of a newspaper publisher
(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind	a medium for written communication
a flat artifact that is thin relative to its length and width	an essay (especially one written as an assignment)
a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel	a scholarly article describing the results of observations or stating hypotheses
paper used for writing or printing	a daily or weekly publication on folded sheets; contains news and articles and advertisements
newspaper with half-size pages	a business firm that publishes newspapers
any broad thin expanse or surface	a material made of cellulose pulp derived mainly from wood or rags or certain grasses
(mathematics) an unbounded two-dimensional shape

sheet (verb)	paper (verb)
cover with a sheet, as if by wrapping	cover with paper
come down as if in sheets	cover with wallpaper