Senegal gum vs gum arabic

Senegal gum and gum arabic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Senegal gum	Yes	No	No	No
gum arabic	Yes	No	No	No

As nouns, gum arabic is a hypernym of Senegal gum; that is, gum arabic is a word with a broader meaning than Senegal gum:

Senegal gum: gum arabic from the vicinity of the Senegal river
gum arabic: gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)

Other hypernyms of Senegal gum include gum acacia.

Senegal gum (noun)	gum arabic (noun)
gum arabic from the vicinity of the Senegal river	gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)