cayenne pepper vs seasoning

cayenne pepper and seasoning both are nouns.

Word	Noun	Adjective	Verb	Adverb
cayenne pepper	Yes	No	No	No
seasoning	Yes	No	No	No

As nouns, seasoning is a hypernym of cayenne pepper; that is, seasoning is a word with a broader meaning than cayenne pepper:

cayenne pepper: ground pods and seeds of pungent red peppers of the genus Capsicum
seasoning: something added to food primarily for the savor it imparts

Other hypernyms of cayenne pepper include flavorer, flavoring, flavourer, flavouring, seasoner.

cayenne pepper (noun)	seasoning (noun)
ground pods and seeds of pungent red peppers of the genus Capsicum	the act of adding a seasoning to food
a long and often twisted hot red pepper	something added to food primarily for the savor it imparts
plant bearing very hot and finely tapering long peppers; usually red