library vs assemblage

library and assemblage both are nouns.

Word	Noun	Adjective	Verb	Adverb
library	Yes	No	No	No
assemblage	Yes	No	No	No

As nouns, assemblage is a hypernym of library; that is, assemblage is a word with a broader meaning than library:

library: a collection of literary documents or records kept for reference or borrowing
assemblage: several things grouped together or considered as a whole

Other hypernyms of library include accumulation, aggregation, collection.

As nouns, assemblage is a hypernym of library; that is, assemblage is a word with a broader meaning than library:

library: (computing) a collection of standard programs and subroutines that are stored and available for immediate use
assemblage: several things grouped together or considered as a whole

Other hypernyms of library include accumulation, aggregation, collection.

library (noun)	assemblage (noun)
a depository built to contain books and other materials for reading and study	the social act of assembling
a room where books are kept	a system of components assembled together for a particular purpose
a building that houses a collection of books and other materials	a group of persons together in one place
a collection of literary documents or records kept for reference or borrowing	several things grouped together or considered as a whole
(computing) a collection of standard programs and subroutines that are stored and available for immediate use