Victoriana vs assemblage

Victoriana and assemblage both are nouns.

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

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

Victoriana: collection of materials of or characteristic of the Victorian era
assemblage: several things grouped together or considered as a whole

Other hypernyms of Victoriana include accumulation, aggregation, collection.

Victoriana (noun)	assemblage (noun)
collection of materials of or characteristic of the Victorian era	the social act of assembling
	a system of components assembled together for a particular purpose
	a group of persons together in one place
	several things grouped together or considered as a whole