lithograph vs copier

lithograph and copier both are nouns.

Word	Noun	Adjective	Verb	Adverb
lithograph	Yes	No	Yes	No
copier	Yes	No	No	No

As nouns, copier is a hypernym of lithograph; that is, copier is a word with a broader meaning than lithograph:

lithograph: duplicator that prints by lithography; a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern
copier: apparatus that makes copies of typed, written or drawn material

Other hypernyms of lithograph include duplicator.

lithograph (noun)	copier (noun)
duplicator that prints by lithography; a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern	apparatus that makes copies of typed, written or drawn material
a print produced by lithography

lithograph (verb)	copier (verb)
make by lithography