tang vs tanginess

tang and tanginess both are nouns.

Word	Noun	Adjective	Verb	Adverb
tang	Yes	No	No	No
tanginess	Yes	No	No	No

As nouns, tang and tanginess are synonyms defined as:

Other synonyms of tang include nip, piquance, piquancy, piquantness, zest.

tang (noun)	tanginess (noun)
any of various kelps especially of the genus Laminaria	a tart spicy quality
any of various coarse seaweeds
brown algae seaweed with serrated edges
a common rockweed used in preparing kelp and as manure
a tart spicy quality
the taste experience when a savoury condiment is taken into the mouth