Holland gin vs geneva

Holland gin and geneva both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holland gin	Yes	No	No	No
geneva	Yes	No	No	No

As nouns, Holland gin and geneva are synonyms defined as:

Other synonyms of Holland gin include Hollands.

Holland gin (noun)	geneva (noun)
gin made in the Netherlands	gin made in the Netherlands