Victoriana vs aggregation

Victoriana and aggregation both are nouns.

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

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

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

Other hypernyms of Victoriana include accumulation, assemblage, collection.

Victoriana (noun)	aggregation (noun)
collection of materials of or characteristic of the Victorian era	the act of gathering something together
	several things grouped together or considered as a whole