spice vs pungency

spice and pungency both are nouns.

Word	Noun	Adjective	Verb	Adverb
spice	Yes	No	Yes	No
pungency	Yes	No	No	No

As nouns, pungency is a hyponym of spice; that is, pungency is a word with a more specific, narrower meaning than spice:

spice (noun)	pungency (noun)
the property of being seasoned with spice and so highly flavored	a strong odor or taste property
any of a variety of pungent aromatic vegetable substances used for flavoring food	wit having a sharp and caustic quality
aromatic substances of vegetable origin used as a preservative

spice (verb)	pungency (verb)
make more interesting or flavorful
add herbs or spices to